AnswersGrade 7 MathematicsTwo-Dimensional Geometry

Practice Test Answers

12 verified answers
2
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Kayley needs to find the area of a circle. Which process should she use?

A
She should multiply the radius by 2 and then multiply the result by 3 point 1 4 .
B
She should multiply the diameter by 2 and then multiply the result by 3 point 1 4 .
C
She should square the radius and then multiply the result by 3 point 1 4 .
D
She should square the diameter and then multiply the result by 3 point 1 4 .
3

Which statement is true about the circumference of a circle?

A
The circumference is the measurement of the diameter.
B
The circumference is double the radius.
C
The circumference is the measurement of the radius.
D
The circumference is the measurement around the circle.
4

Eugene knows the circumference of a circle is 125 point 6 meters. Does he have enough information to find the area?

A
Yes, because the area will just be twice the circumference so all he has to do is multiply by 2 .
B
No, because the circumference equals cap c is equal to open paren d i A m e t e r close paren times pi so he could only find the diameter. He needs the radius for the area formula.
C
Yes, because he could divide by 3 point 1 4 to find the diameter and then divide that result by 2 to find the radius. Once he has the radius, he can use the formula.
D
No, because the circumference equals cap c is equal to open paren d i A m e t e r close paren times pi and there is no pi in 125 point 6 .
5

Which statement is true about two angles that are complementary?

A
The angles are opposite each other.
B
The angles share a common ray.
C
The sum of the measures of the two angles is 180 degrees .
D
The sum of the measures of the two angles is 90 degrees .
9

What is the value of x in the diagram?

A
138 degrees
B
128 degrees
C
64 degrees
D
52 degrees
10

What is the value of k in the given linear pair?

A
14 degrees
B
180 degrees
C
76 degrees
D
104 degrees
11

What shapes can the composite figure be decomposed into? Choose two correct answers.

A
two trapezoids
B
a rectangle and two triangles
C
a rectangle and a triangle
D
two rectangles
E
a square and two triangles
12

Which angles are vertical angles and, therefore, congruent?

A
angle cap A and angle cap f
B
angle cap A and angle cap d
C
angle cap A and angle cap e
D
angle cap A and angle cap g

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