AnswersFL-1205040-MJ Grade 7 Mathematics B -GFUnit Test

Unit Test — Unit test Answers

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1
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Two lengths of a triangle are shown. Which could be the length of ?

Question illustration
A
11 ft
B
13 ft
C
15 ft
D
18 ft
2
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What is the radius of this circle if the circumference is cm? cm

Question illustration
A
3 cm
B
9 cm
C
18 cm
D
36 cm
3

A circle has a diameter of 3 meters. Which statement about the circumference and area is true?

A
A comparison of the area and circumference is not possible since the area cannot be determined.
B
The numerical value of the circumference and area are equal.
C
The numerical value of the circumference is greater than the numerical value of the area.
D
The numerical value of the circumference is less than the numerical value of the area.
4

A circle has a diameter of 4 inches. Which statement about the area and circumference of the circle is true?

A
A comparison of the area and circumference of the circle is not possible because there is not enough information to find both.
B
The numerical values of the circumference and area are equal.
C
The numerical value of the circumference is greater than the numerical value of the area.
D
The numerical value of the circumference is less than the numerical value of the area.
5

Tinh has a triangle with side lengths 12 mm, 15 mm, and 18 mm. He wants to reduce the triangle by one-third, so he divides each side length and each angle measure by 3. Which describes Tinh’s reduction?

A
Tinh’s reduction is incorrect; he should have only divided the side lengths by 3.
B
Tinh’s reduction is incorrect; he should have only divided the angle measures by 3.
C
Tinh’s reduction is incorrect; he should have multiplied the side lengths by 3 instead.
D
Tinh’s reduction is incorrect; he should have multiplied the angle measures by 3 instead.
6

Which angle is complementary to ?

Question illustration
A
Angle A O B
Option A
B
Angle A O E
Option B
C
Angle B O C
Option C
D
Angle A O C
Option D
7

What is the circumference of the circle? Use for .

Question illustration
A
44 cm
B
55 cm
C
100 cm
D
110 cm
8

The diameter of a circle is 4 cm. Which equation can be used to find its circumference?

A
C = pi times 2
Option A
B
C = pi times 4
Option B
C
C = StartFraction pi times 4 over 2 EndFraction
Option C
D
C = StartFraction pi times 4 over 4 EndFraction
Option D
9

What is the area of the triangle?

Question illustration
A
123 inches squared
Option A
B
742.5 inches squared
Option B
C
1,012.5 inches squared
Option C
D
1,485 inches squared
Option D
10

What is the area of the triangle?

Question illustration
A
216 centimeters squared
Option A
B
270 centimeters squared
Option B
C
360 centimeters squared
Option C
D
540 centimeters squared
Option D
11

The figure consists of a quarter circle and a parallelogram. What is the area of the composite figure? Use 3.14 for . Round to the nearest whole number.

Question illustration
A
70 inches squared
Option A
B
84 inches squared
Option B
C
154 inches squared
Option C
D
224 inches squared
Option D
12

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

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

Which angle is adjacent to ?

Question illustration
A
Angle A F B
Option A
B
Angle A F C
Option B
C
Angle B F D
Option C
D
Angle B F C
Option D
14

Which statement is true about ?

Question illustration
A
It is supplementary to .
Option A
B
It is complementary to .
Option B
C
It is congruent to .
Option C
D
It is linear to .
Option D
15

What is the area of the parallelogram?

Question illustration
A
48 inches squared
Option A
B
80 inches squared
Option B
C
112 inches squared
Option C
D
140 inches squared
Option D
16

What is the area of the trapezoid?

Question illustration
A
80 meters squared
Option A
B
96 meters squared
Option B
C
100 meters squared
Option C
D
120 meters squared
Option D
17

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

A
9 pi inches squared
Option A
B
12 pi inches squared
Option B
C
36 pi inches squared
Option C
D
81 pi inches squared
Option D
18

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

Question illustration
A
Decompose the figure into one semicircle and one rectangle and add the areas.
B
Decompose the figure into one semicircle and one rectangle and subtract the areas.
C
Decompose the figure into two semicircles and one rectangle and subtract the areas.
D
Decompose the figure into two semicircles and one rectangle and add the areas.
19

What is the measure of SRT?

Question illustration
A
69 degrees
Option A
B
79 degrees
Option B
C
99 degrees
Option C
D
101 degrees
Option D
20

What is the area of a circle with a radius of 7 cm? (Use 3.14 for and round to the nearest tenth.)

Question illustration
A
38.5 centimeters squared
Option A
B
44.0 centimeters squared
Option B
C
150.0 centimeters squared
Option C
D
153.9 centimeters squared
Option D

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