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פּוֹפּוּלָרִי Word Problems >

The circumference of a circle is 15pi cm. What is the area, in square centimeters? Express your answer in terms of

פתרון

T h e c i rc u m f ere n ce o f a c i rc l e i s 15 π c m . Wha t i s t h e a re a, in s q u a re ce n t im e t ers ? E x p ress yo u r an s w er in t er m s o f

פתרון

a re a : 176.71 c m^{2}

צעדי פתרון

Given:

c i rc u m f ere n ce : 15 π c m

C i rc u m f ere n ce = 15 π

רדיוס המעגל בהינתן:

r = 7.5

r = 7.5

שטח המעגל בהינתן:

A = 176.71458 \dots

a re a : 176.71 c m^{2}

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