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פּוֹפּוּלָרִי Word Problems >

The area of a circle is 49𝜋 square centimeters. What is the circumference?

פתרון

T h e a re a o f a c i rc l e i s 49​𝜋 s q u a re ce n t im 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 : 14 π c m

+1

עשרוני

43.98229 \dots

צעדי פתרון

Given:

a re a : 49 π c m^{2}

A re a = 49 π

רדיוס המעגל בהינתן:

r = 7

r = 7

היקף המעגל בהינתן:

C = 14 π

c i rc u m f ere n ce : 14 π c m

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