Area of a Circle Answers
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Sarah only knows the diameter of a circle. What should she do to find the radius?
A
Multiply the diameter by 2.B
Divide the diameter by 2.C
Multiply the diameter by .
D
Divide the diameter by .
2
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A circle has a circumference of cm. 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 values of the circumference and area of the circle 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.3
The diameter of a circle is 10 meters. What is the area of the circle? (Use 3.14 for and round to the nearest tenth.)
A
31.4 meters squared
B
62.8 meters squared
C
78.5 meters squared
D
125.6 meters squared
4
The circle has a diameter of 16 inches. What is the area of the circle, rounded to the nearest square inch?
A
64B
79C
201D
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