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인기 있는 Word Problems >

The area of a circle is 16pi square inches. What is the 원둘레?Give the exact answer in simplest form.

해법

T h e a re a o f a c i rc l e i s 16​ π s q u a re in c h es . Wha t i s t h e c i rc u m f ere n ce ? G i v e t h e e x a c t an s w er in s im pl es t f or m .

해법

c i rc u m f ere n ce : 8 π in c h

+1

소수

25.13274 \dots

솔루션 단계

Given:

a re a : 16 π in c h^{2}

주어진 원 반지름

A re a = 16 π : r = 4

주어진 원 둘레

r = 4 : C = 8 π

c i rc u m f ere n ce : 8 π in c h

인기 있는 예

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