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Novay_Z [31]
2 years ago
8

A circle has a diameter of

Mathematics
1 answer:
blsea [12.9K]2 years ago
5 0

Step-by-step explanation:

to calculate circumference:

2\pi \: r

if the diameter is 16 then the radius would be 8.

2\pi \:r \\  = 2\pi(8) \\  = 16\pi \\  =Rationalize(50.26548245744) \\circumference  = 50.27

to calculate the area of a circle:

\pi  {r}^{2}   \\  = \pi( {8})^{2}  \\ = Rationalize(201.06192982975) \\ area = 201.06 \:  ^{2}

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