The circumference of a circle is 65π. In terms of pi, what is the area of the circle?

Responses
A 600 π600 π
B 936.5 π936.5 π
C 950.25 π950.25 π
D 1056.25 π
E 1285.45 π

11 answers

B 936.5 π936.5 π

A city planner makes a scale drawing of a proposed playground. The length of the actual playground is 78 feet, and the width is 42 feet. Suppose a scale of 0.5 inch = 6 feet is used. Which dimensions represent the playground on the scale drawing?
Responses
A 4.5 inches by 7 inches4.5 inches by 7 inches
B 6.5 inches by 3.5 inches6.5 inches by 3.5 inches
C 8 inches by 4 inches8 inches by 4 inches
D 9.2 inches by 5.5 inches

B 6.5 inches by 3.5 inches

Which of the following is closest to the area of the wheel?
the diameter or the wheel is 26 inches
Responses
A 530.66 in²530.66 in²
B 81.64 in²81.64
C 40.82 in²40.82 in²
D 1,122.64 in²1,122.64 in²

A 530.66 in²530.66 in²

If the area of a circle measures 16π
, what is the circumference of the circle in terms of π?
Responses
A 4π cm4π cm
B 8π cm8π cm
C 24π cm24π cm
D 32π cm

B 8π cm

The diameter of the cracker shown is 35 millimeters.

Which measurement is closest to the area of the cracker in square millimeters?
Responses
A 109.9 mm²109.9 mm²
B 54.95 mm²54.95 mm²
C 961.625 mm²961.625 mm²
D 781.751 mm²

B 54.95 mm²

The diagram below shows the diameter of a slice of kiwi.

Which of the following is closest to the circumference of the slice of kiwi?
Responses
A 5.94 inches5.94 inches
B 17.27 inches17.27 inches
C 4.8 inches4.8 inches
D 8.635 inches

A 5.94 inches