Exam 9: An Introduction to Geometry

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The measures of two angles of ABC (shown in the illustration) are given. Find the measure of the third angle, if m(A)=51.08m ( \angle A ) = 51.08 ^ { \circ }  and m(B)=56.46m ( \angle B ) = 56.46 ^ { \circ } .  The measures of two angles of ABC (shown in the illustration) are given. Find the measure of the third angle, if  m ( \angle A ) = 51.08 ^ { \circ }   and  m ( \angle B ) = 56.46 ^ { \circ }  . <sup>   </sup>

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Find the total area of the shaded figure.  Find the total area of the shaded figure.   The side of the square is equal to 12. Use  \pi = 3.1416  . The side of the square is equal to 12. Use π=3.1416\pi = 3.1416 .

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The triangles shown in the illustration are congruent. The sides of the triangles are a=3a = 3 , b=13b = 13 , and c=3c = 3 .  The triangles shown in the illustration are congruent. The sides of the triangles are  a = 3  ,  b = 13  , and  c = 3  .    So  d = 14  . So d=14d = 14 .

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Choose case when the triangles are similar. Choose case when the triangles are similar.

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Classify the following quadrilaterals. Match the shape with the name.
1. Classify the following quadrilaterals. Match the shape with the name.  1.    2.    3.    4.
2. Classify the following quadrilaterals. Match the shape with the name.  1.    2.    3.    4.
3. Classify the following quadrilaterals. Match the shape with the name.  1.    2.    3.    4.
4. Classify the following quadrilaterals. Match the shape with the name.  1.    2.    3.    4.
square
Picture 1
trapezoid
Picture 4
rhombus
Picture 2
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square
Picture 1
trapezoid
Picture 4
rhombus
Picture 2
rectangle
Picture 3
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The angle a shown in the illustration is 3030 ^ { \circ } Find b , if the two triangles are similar.  The angle a shown in the illustration is  30 ^ { \circ }  Find b , if the two triangles are similar.

(Multiple Choice)
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Classify the following polygons: 1. Classify the following polygons: 1.   2.   3.   4.   5.  2. Classify the following polygons: 1.   2.   3.   4.   5.  3. Classify the following polygons: 1.   2.   3.   4.   5.  4. Classify the following polygons: 1.   2.   3.   4.   5.  5. Classify the following polygons: 1.   2.   3.   4.   5.

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How many pairs of corresponding angles are shown in the figure below? How many pairs of corresponding angles are shown in the figure below?    __________ pairs of corresponding angles __________ pairs of corresponding angles

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Find the supplement of a  4646 ^ { \circ }  angle.

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To the nearest tenth, find the circumference and the area of the target.  To the nearest tenth, find the circumference and the area of the target.    a = 9 \mathrm { in } a=9ina = 9 \mathrm { in }

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Find the complement of a  3434 ^ { \circ }  angle.

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Look at the illustration and match each angle with its type. 1=54\angle 1 = 54 ^ { \circ }   and 2=36\angle 2 = 36 ^ { \circ } .  Look at the illustration and match each angle with its type.  \angle 1 = 54 ^ { \circ }    and  \angle 2 = 36 ^ { \circ }  .   -right -right

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In the figure below, l1l _ { 1 }  is parallel with  l2l _ { 2 } . Find x , if a=6a = 6 , b=10b = 10 , c=4c = 4  and d=10d = - 10 .  In the figure below,  l _ { 1 }   is parallel with   l _ { 2 }  . Find x , if  a = 6  ,  b = 10  ,  c = 4   and  d = - 10  .

(Multiple Choice)
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In the figure below, a = 105. What is the angle of the handle of the lawn mower in relation to the ground?  In the figure below, a = 105. What is the angle of the handle of the lawn mower in relation to the ground?    __________  {}^{∘} __________ {}^{∘}

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Find the volume of a prism whose base is a right triangle with legs 10 and 2 meters long and whose height is 7 meters.

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Find the total area of the shaded figure.  Find the total area of the shaded figure.   The diameters of the smaller circles are equal to 8. Use  \pi = 3.1416  . The diameters of the smaller circles are equal to 8. Use π=3.1416\pi = 3.1416 .

(Multiple Choice)
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The north wall of a barn is a rectangle 60 feet high and 55 feet long. There are five windows in the wall, each 4 by 4 feet. If a gallon of paint will cover 400 square feet, how many gallons of paint must the painter buy to paint the wall?

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Find the sum of the angles of a polygon with 9 sides.

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Choose the correct word. Any _____ different points determine exactly one line.

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Find the radius of the circle, if the diameter is 14.

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