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Populaire Word Problems >

The circonférence of a circle is 9pi in. What is the area, in square inches? Express your answer in terms of pipi.

Solution

T h e c i rc u m f ere n ce o f a c i rc l e i s 9 π in . Wha t i s t h e a re a, in s q u a re in c h es ? E x p ress yo u r an s w er in t er m s o f p iπ .

Solution

a re a : 63.62 i n^{2}

étapes des solutions

Given:

c i rc u m f ere n ce : 9 π in

Cercle de rayon donné

C i rc u m f ere n ce = 9 π : r = 4.5

Cercle de surface donnée

r = 4.5 : A = 63.61725 \dots

a re a : 63.62 i n^{2}

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