Question 1

Use the Heron's formula to find the area of the triangle.Round your answer upto one decimal place. ​
A = 3.08, b = 0.78, c = 2.48
​

Accepted Answer

A) 3.5 
B) 0.1 
C) 0.40 
D) 0.4 
E) 0.7 
A) 3.5 
B) 0.1 
C) 0.40 
D) 0.4 
E) 0.7

Question 2

Determine the angle θ in the design of the streetlight shown in the following figure.Round your answer upto decimal place. ​   ​   ​
​

Accepted Answer

A) 80.5° 
B) 95.5° 
C) 75.5° 
D) 85.5° 
E) 90.5° 
A) 80.5° 
B) 95.5° 
C) 75.5° 
D) 85.5° 
E) 90.5°

Question 3

Find the component form of vector v with initial point (1, -7) and terminal point (-3, 1).

Accepted Answer

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

Use the Heron's formula to find the area of the triangle.Round your answer upto one decimal place. A = 3.08, b = 0.78, c = 2.48

Determine the angle θ in the design of the streetlight shown in the following figure.Round your answer upto decimal place.