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פּוֹפּוּלָרִי Word Problems >

The circumference of a circle is 20pi in. What is the area, in square inches?

פתרון

T h e c i rc u m f ere n ce o f a c i rc l e i s 20 π in . Wha t i s t h e a re a, in s q u a re in c h es ?

פתרון

a re a : 100 π i n^{2}

+1

עשרוני

314.15926 \dots

צעדי פתרון

Given:

c i rc u m f ere n ce : 20 π in

C i rc u m f ere n ce = 20 π

רדיוס המעגל בהינתן:

r = 10

r = 10

שטח המעגל בהינתן:

A = 100 π

a re a : 100 π i n^{2}

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