Question 1

Referring to triangle ABC, find the area of the triangle.   ? Round to three significant digits.

Accepted Answer

A) 37,200 inches S1U1P12S1S1P0 
B) 36,600 inchesS1U1P12S1S1P0 
C) 37,100 inches S1U1P12S1S1P0 
D) 36,700 inches S1U1P12S1S1P0 
E) 37,000 inches S1U1P12S1S1P0 
A) 37,200 inches S1U1P12S1S1P0 
B) 36,600 inchesS1U1P12S1S1P0 
C) 37,100 inches S1U1P12S1S1P0 
D) 36,700 inches S1U1P12S1S1P0 
E) 37,000 inches S1U1P12S1S1P0

Question 2

Refer to triangle ABC . If   m,   m, and   , find a . Apply the rules regarding the use of significant digits after all computations are complete.   __________ m

Accepted Answer

The answer of Refer to triangle ABC . If ...

Question 3

Find the dot product.   __________

Accepted Answer

The answer of Find the dot product.   __________...

Question 4

Referring to triangle ABC, find the area of the triangle.   ​ Round to three significant digits.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 5

Find the magnitude of the vector.

Accepted Answer

The answer of Find the magnitude of the vector. ...

Question 6

Find the magnitude of the vector. ​   ​

Accepted Answer

A) ​   
B) ​   
C) ​   
D)    
E) ​   
A) ​   
B) ​   
C) ​   
D)    
E) ​

Question 7

Refer to triangle ABC . If   cm,   cm, and   cm, find the largest angle. Apply the rules regarding the use of significant digits after all computations are complete. __________°

Accepted Answer

The answer of Refer to triangle ABC . If ...

Question 8

A ship is headed due north at a constant 15 miles per hour. Because of the ocean current, the true course of the ship is 12°. If the currents are a constant 12 miles per hour, in what direction are the currents running? Apply the rules regarding the use of significant digits after all computations are complete. ​

Accepted Answer

A) S 3° E 
B) ​S 27° E, N 24° E 
C) ​N 22° E, N 3° E 
D) ​S 20° E 
E) ​N 27° E, S 3° E 
A) S 3° E 
B) ​S 27° E, N 24° E 
C) ​N 22° E, N 3° E 
D) ​S 20° E 
E) ​N 27° E, S 3° E

Question 9

Referring to triangle ABC, find the area of the triangle.   ​ 
Round to three significant digits. 
S = __________ inches2

Accepted Answer

Question 10

Referring to triangle ABC, find the area of the triangle. 
a = 4.9 yd, b = 6.5 yd, c = 7.8 yd 
Round to three significant digits. 
S = __________ yd2

Accepted Answer

Question 11

Two planes leave an airport at the same time. Their speeds are 140 miles per hour and 150 miles per hour, and the angle between their courses is 38°. How far apart are they after 1.5 hours?​ Apply the rules regarding the use of significant digits after all computations are complete.

Accepted Answer

A) 182 mi 
B) 140 mi 
C) 150 mi 
D) 120 mi 
E) 112 mi 
A) 182 mi 
B) 140 mi 
C) 150 mi 
D) 120 mi 
E) 112 mi

Question 12

Consider the triangle described below.    inches,    inches How many different possible triangles are there? __________ ( no solution / two solutions / one solution )Apply the rules regarding the use of significant digits to each angle and length after all computations are complete.   __________°     __________°     __________ inches

Accepted Answer

one soluti

Question 13

Referring to triangle ABC, find the area of the triangle.   ? Round to three significant digits.

Accepted Answer

A) 45,500 inches S1U1P12S1S1P0 
B) 46,000 inches S1U1P12S1S1P0 
C) 45,600 inches S1U1P12S1S1P0 
D) 45,700 inches S1U1P12S1S1P0 
E) 45,300 inches S1U1P12S1S1P0 
A) 45,500 inches S1U1P12S1S1P0 
B) 46,000 inches S1U1P12S1S1P0 
C) 45,600 inches S1U1P12S1S1P0 
D) 45,700 inches S1U1P12S1S1P0 
E) 45,300 inches S1U1P12S1S1P0

Question 14

Referring to triangle ABC, find the area of the triangle.   ? Round to three significant digits.

Accepted Answer

A) 12.9 ft S1U1P12S1S1P0 
B) 13.1 ft S1U1P12S1S1P0 
C) 12.5 ft S1U1P12S1S1P0 
D) 12.3 ft S1U1P12S1S1P0 
E) 11.9 ft S1U1P12S1S1P0 
A) 12.9 ft S1U1P12S1S1P0 
B) 13.1 ft S1U1P12S1S1P0 
C) 12.5 ft S1U1P12S1S1P0 
D) 12.3 ft S1U1P12S1S1P0 
E) 11.9 ft S1U1P12S1S1P0

Question 15

Referring to triangle ABC, find the area of the triangle.   ​ 
Round to three significant digits.
S = __________ cm2

Accepted Answer

Question 16

The area of a triangle is 45 cm2. Find the length of the side included between the angles    Round your answer to three significant digits.
c = __________ cm

Accepted Answer

Question 17

Referring to triangle ABC, find the area of the triangle. 
a = 4.35 ft, b = 3.71 ft, c = 5.23 ft​ 
Round to three significant digits. 
S = __________ ft2

Accepted Answer

Question 18

Referring to triangle ABC, find the area of the triangle.     Round to three significant digits.

Accepted Answer

A) 1,690 cm 2 
B) 1,750 cm 2 
C) 1,760 cm 2 
D) 1,720 cm 2 
E) 1,730 cm 2 
A) 1,690 cm 2 
B) 1,750 cm 2 
C) 1,760 cm 2 
D) 1,720 cm 2 
E) 1,730 cm 2

Question 19

Vector W  is in standard position, and makes an angle of    with the positive x -axis. Its magnitude is 7. Write W  in component form    and in vector component form   . Please round your answers to two significant digits. ​

Accepted Answer

A) ​   
B) ​   
C)    
D) ​   
E) ​   
A) ​   
B) ​   
C)    
D) ​   
E) ​

Question 20

The circle in the figure below has a radius of r and center at C . The distance from A to B is x , the distance from A to D is y , and the length of arc BD is s . For the following problem, redraw the figure, label it with the values given, and then solve. ​ If    and    find y . Apply the rules regarding the use of significant digits after all computations are complete.   ​

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Referring to triangle ABC, find the area of the triangle. ? Round to three significant digits.

Refer to triangle ABC . If m, m, and , find a . Apply the rules regarding the use of significant digits after all computations are complete. __________ m

Find the dot product. __________

Referring to triangle ABC, find the area of the triangle. Round to three significant digits.

Find the magnitude of the vector.

Find the magnitude of the vector.

Refer to triangle ABC . If cm, cm, and cm, find the largest angle. Apply the rules regarding the use of significant digits after all computations are complete. __________°

Referring to triangle ABC, find the area of the triangle. Round to three significant digits. S = __________ inches²

Referring to triangle ABC, find the area of the triangle. a = 4.9 yd, b = 6.5 yd, c = 7.8 yd Round to three significant digits. S = __________ yd²

Two planes leave an airport at the same time. Their speeds are 140 miles per hour and 150 miles per hour, and the angle between their courses is 38°. How far apart are they after 1.5 hours? Apply the rules regarding the use of significant digits after all computations are complete.

Consider the triangle described below. inches, inches How many different possible triangles are there? ( no solution / two solutions / one solution )Apply the rules regarding the use of significant digits to each angle and length after all computations are complete. ° ° inches

Referring to triangle ABC, find the area of the triangle. ? Round to three significant digits.

Referring to triangle ABC, find the area of the triangle. ? Round to three significant digits.

Referring to triangle ABC, find the area of the triangle. Round to three significant digits. S = __________ cm²

The area of a triangle is 45 cm². Find the length of the side included between the angles Round your answer to three significant digits. c = __________ cm

Referring to triangle ABC, find the area of the triangle. a = 4.35 ft, b = 3.71 ft, c = 5.23 ft Round to three significant digits. S = __________ ft²

Referring to triangle ABC, find the area of the triangle. Round to three significant digits.

Vector W is in standard position, and makes an angle of with the positive x -axis. Its magnitude is 7. Write W in component form and in vector component form . Please round your answers to two significant digits.

The Six Trigonometric Functions

Right Triangle Trigonometry

Radian Measure

Graphing and Inverse Functions

Identities and Formulas

Equations

Complex Numbers and Polar Coordinates

Filters

Exam 7: Triangles

Referring to triangle ABC, find the area of the triangle. ? Round to three significant digits.

Refer to triangle ABC . If m, m, and , find a . Apply the rules regarding the use of significant digits after all computations are complete. __________ m

Find the dot product. __________

Referring to triangle ABC, find the area of the triangle. ​ Round to three significant digits.

Find the magnitude of the vector.

Find the magnitude of the vector. ​ ​

Refer to triangle ABC . If cm, cm, and cm, find the largest angle. Apply the rules regarding the use of significant digits after all computations are complete. __________°

Referring to triangle ABC, find the area of the triangle. ​ Round to three significant digits. S = __________ inches2

Referring to triangle ABC, find the area of the triangle. a = 4.9 yd, b = 6.5 yd, c = 7.8 yd Round to three significant digits. S = __________ yd2

Two planes leave an airport at the same time. Their speeds are 140 miles per hour and 150 miles per hour, and the angle between their courses is 38°. How far apart are they after 1.5 hours?​ Apply the rules regarding the use of significant digits after all computations are complete.

Referring to triangle ABC, find the area of the triangle. ? Round to three significant digits.

Referring to triangle ABC, find the area of the triangle. ? Round to three significant digits.

Referring to triangle ABC, find the area of the triangle. ​ Round to three significant digits. S = __________ cm2

The area of a triangle is 45 cm2. Find the length of the side included between the angles Round your answer to three significant digits. c = __________ cm

Referring to triangle ABC, find the area of the triangle. a = 4.35 ft, b = 3.71 ft, c = 5.23 ft​ Round to three significant digits. S = __________ ft2

Referring to triangle ABC, find the area of the triangle. Round to three significant digits.

Vector W is in standard position, and makes an angle of with the positive x -axis. Its magnitude is 7. Write W in component form and in vector component form . Please round your answers to two significant digits. ​

The Six Trigonometric Functions

Right Triangle Trigonometry

Radian Measure

Graphing and Inverse Functions

Identities and Formulas

Equations

Complex Numbers and Polar Coordinates

Filters

Referring to triangle ABC, find the area of the triangle. Round to three significant digits.

Find the magnitude of the vector.

Referring to triangle ABC, find the area of the triangle. Round to three significant digits. S = __________ inches²

Referring to triangle ABC, find the area of the triangle. a = 4.9 yd, b = 6.5 yd, c = 7.8 yd Round to three significant digits. S = __________ yd²

Two planes leave an airport at the same time. Their speeds are 140 miles per hour and 150 miles per hour, and the angle between their courses is 38°. How far apart are they after 1.5 hours? Apply the rules regarding the use of significant digits after all computations are complete.

Referring to triangle ABC, find the area of the triangle. Round to three significant digits. S = __________ cm²

The area of a triangle is 45 cm². Find the length of the side included between the angles Round your answer to three significant digits. c = __________ cm

Referring to triangle ABC, find the area of the triangle. a = 4.35 ft, b = 3.71 ft, c = 5.23 ft Round to three significant digits. S = __________ ft²

Vector W is in standard position, and makes an angle of with the positive x -axis. Its magnitude is 7. Write W in component form and in vector component form . Please round your answers to two significant digits.