AnswersGrade 7 MathematicsTwo-Dimensional Geometry

Two-Dimensional Geometry — Test Answers

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1
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What is the area of the parallelogram?

A
80 in. squared
B
48 in. squared
C
112 in. squared
D
140 in. squared
2
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Which method can be used to find the area of the composite shape?

A
Decompose the figure into one semicircle and one rectangle and subtract the areas.
B
Decompose the figure into two semicircles and one rectangle and subtract the areas.
C
Decompose the figure into one semicircle and one rectangle and add the areas.
D
Decompose the figure into two semicircles and one rectangle and add the areas.
3

What is the radius of this circle if the circumference is 18 pi cm?

A
18 cm
B
36 cm
C
3 cm
D
9 cm
4

What is the area of the trapezoid?

A
96 m squared
B
80 m squared
C
100 m squared
D
120 m squared
5

What is the area of the triangle?

A
360 cm squared
B
270 cm squared
C
216 cm squared
D
540 cm squared
6

What is the measure of angle y ?

A
49 degrees
B
61 degrees
C
41 degrees
D
51 degrees
7

What is the value of x in the given triangle PQR ?

A
94 degrees
B
142 degrees
C
86 degrees
D
132 degrees
8

What is the area of the triangle?

A
123 in. squared
B
742 point 5 in. squared
C
1 comma 012 point 5 in. squared
D
1 comma 485 in. squared
9

What is the measure of angle BAC ?

A
50 degrees
B
130 degrees
C
100 degrees
D
80 degrees
10

The figure consists of a quarter circle and a parallelogram. What is the area of the composite figure? Use 3 point 1 4 for pi Round to the nearest whole number.

A
224 in. squared
B
84 in. squared
C
154 in. squared
D
70 in. squared
11

Which describes the relationship between angle 1 and angle 2 ?

A
angle 1 and angle 2 are supplementary angles.
B
angle 1 and angle 2 are acute angles.
C
angle 1 and angle 2 are complementary angles.
D
angle 1 and angle 2 are vertical angles.
12

Which method can be used to find the area of the composite shape?

A
Find the area of the larger rectangle and multiply by two.
B
Find the area of the smaller rectangle and multiply by two.
C
Decompose the figures into two rectangles and subtract the areas.
D
Decompose the figure into two rectangles and add the areas.
13

What is the measure of angle cap c ?

A
90 degrees
B
180 degrees
C
48 degrees
D
42 degrees
14

Which statement is true about angle CPB ?

A
It is congruent to angle APC .
B
It is linear to angle APD .
C
It is supplementary to angle APC .
D
It is complementary to angle APC .
15

Which angle is adjacent to angle DFE ?

A
angle BFD
B
angle AFC
C
angle BFC
D
angle AFB
16

What is the circumference of the circle? Use 22 sevenths for pi

A
100 cm
B
110 cm
C
44 cm
D
55 cm
17

What is the area of this composite figure? Use 3 point 1 4 for pi

A
235 point 5 cm squared
B
314 cm squared
C
78 point 5 cm squared
D
23 point 5 5 cm squared
18

What is the area of a circle with a radius of 7 centimeters ? (Use 3 point 1 4 for pi and round to the nearest tenth.)

A
150 point 0 cm squared
B
44 point 0 cm squared
C
38 point 5 cm squared
D
153 point 9 cm squared
19

What is the area of a circle with a radius of 6 inches ?

A
9 pi in squared
B
12 pi in squared
C
36 pi in squared
D
81 pi in squared
20

Which set of three angles could represent the interior angles of a triangle?

A
50 degrees , 20 degrees , 20 degrees
B
19 degrees , 70 degrees , 91 degrees
C
25 degrees , 25 degrees , 100 degrees
D
47 degrees , 12 degrees , 31 degrees

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