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פּוֹפּוּלָרִי >

The circumference of a circle is 20pi ft. What is the area, in square feet? Express your answer in terms of pipi.

פתרון

The circumference of a circle is 20\pi ft. What is the area, in square feet? Express your answer in terms of pi\pi.

פתרון

a re a : 100 π f t^{2}

+1

סימון עשרוני

314.15926 \dots

צעדי פתרון

Given:

c i rc u m f ere n ce : 20 π f t

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 f t^{2}

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