AnswersGrade 7 MathematicsTwo-Dimensional Geometry

Two-Dimensional Geometry — Test Answers

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

A
49 degrees , 59 degrees , 72 degrees
B
24 degrees , 51 degrees , 15 degrees
C
34 degrees , 45 degrees , 11 degrees
D
45 degrees , 70 degrees , 85 degrees
22
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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 value of the circumference is less than the numerical value of the area.
C
The numerical values of the circumference and area are equal.
D
The numerical value of the circumference is greater than the numerical value of the area.
23

A road bike has a wheel diameter of 622 mm. What is the circumference of the wheel? Use 3 point 1 4 for pi

A
976 point 2 4 mm
B
1 comma 953 point 0 8 mm
C
976 point 5 4 mm
D
1 comma 852 point 0 8 mm
24

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

A
cap c is equal to pi times 4
B
cap c is equal to pi times 2
C
cap c is equal to the fraction with numerator pi times 4 and denominator 2
D
cap c is equal to the fraction with numerator pi times 4 and denominator 4
25

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 is greater than the numerical value of the area.
C
The numerical value of the circumference is less than the numerical value of the area.
D
The numerical values of the circumference and area are equal.

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