A circle of white daisies is planted in Silvergrove's central park. The circle has a radius of 3 feet. What is the circle's 원둘레?

해법

A c i rc l e o f w hi t e d ai s i es i s pl an t e d in S i l v er g ro v e^{'} s ce n t r a l p a r k . T h e c i rc l e ha s a r a d i u s o f 3 f ee t . Wha t i s t h e c i rc l e^{'} s c i rc u m f ere n ce ?

c i rc u m f ere n ce : 6 π f t

소수

18.84955 \dots

솔루션 단계

Given:

r a d i u s : 3 f t

주어진 원 둘레

r = 3 : C = 6 π

c i rc u m f ere n ce : 6 π f t