The circumference of a circle is 18.84 millimeters. what is the circle's area

asked Nov 10, 2019 55.2k views

1 vote

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3 votes

Circumference = 2
$\pi$ r
18.84 = 2
$\pi$ r
9.42/
$\pi$ = r

Area =
$\pi$ r²
=
$\pi$ (9.42/
$\pi$ )²
= 9.42²/
$\pi$
= 28.25 mm²²

ChadSikorra answered Nov 17, 2019

5.9k points

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