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4 years ago

a circular fountain has a radius of 9.4 feet. find its diameter and circumference to the nearest tenth.

2 answers:

5 0

Diameter is just twice the radius and circumference is 2 $\pi$ r or $\pi$ d
C = 2 $\pi$ r
C = 2 $\pi$ (9.4)
C = 18.8 $\pi$
C = 59.1
D = 18.8ft

C = 59 if you use 3.14 instead of pi

Leni [432]4 years ago

3 0

Diameter is 2r, or 18.8 ft

Circumference is 2*pi*r, or 59.1 ft

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