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Populaire Word Problems >

The circonférence of a circle is 18pi cm. What is the area,

Solution

T h e c i rc u m f ere n ce o f a c i rc l e i s 18 π c m . Wha t i s t h e a re a,

Solution

a re a : 81 π c m^{2}

+1

Décimale

254.46900 \dots

étapes des solutions

Given:

c i rc u m f ere n ce : 18 π c m

Cercle de rayon donné

C i rc u m f ere n ce = 18 π : r = 9

Cercle de surface donnée

r = 9 : A = 81 π

a re a : 81 π c m^{2}

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