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Popolare Word Problems >

The circonferenza of a circle is 13pi cm. What is the area, in square centimeters? Express your answer in terms of pipi.

Soluzione

T h e c i rc u m f ere n ce o f a c i rc l e i s 13 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 p iπ .

Soluzione

a re a : 132.73 c m^{2}

Fasi della soluzione

Given:

c i rc u m f ere n ce : 13 π c m

Raggio della circonferenaza data

C i rc u m f ere n ce = 13 π : r = 6.5

Area del cerchio dato

r = 6.5 : A = 132.73228 \dots

a re a : 132.73 c m^{2}

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