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פּוֹפּוּלָרִי Word Problems >

The area of a circle is 4𝜋 square kilometers. What is the circumference?

פתרון

T h e a re a o f a c i rc l e i s 4​𝜋 s q u a re ki l o m e t ers . Wha t i s t h e c i rc u m f ere n ce ?

פתרון

c i rc u m f ere n ce : 4 π km

+1

עשרוני

12.56637 \dots

צעדי פתרון

Given:

a re a : 4 π k m^{2}

A re a = 4 π

רדיוס המעגל בהינתן:

r = 2

r = 2

היקף המעגל בהינתן:

C = 4 π

c i rc u m f ere n ce : 4 π km

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