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פּוֹפּוּלָרִי >

The circumference of a circle is 23pi cm. What is the area, in square centimeters? Express your answer in terms of pipi.

פתרון

The circumference of a circle is 23\pi cm. What is the area, in square centimeters? Express your answer in terms of pi\pi.

פתרון

a re a : 415.48 c m^{2}

צעדי פתרון

Given:

c i rc u m f ere n ce : 23 π c m

C i rc u m f ere n ce = 23 π

רדיוס המעגל בהינתן:

r = 11.5

r = 11.5

שטח המעגל בהינתן:

A = 415.47562 \dots

a re a : 415.48 c m^{2}

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