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Popolare Word Problems >

The area of a circle is 9pi in². What is the circonferenza, in inches? Express your answer in terms of pipi.

Soluzione

T h e a re a o f a c i rc l e i s 9 π i n^{2} . Wha t i s t h e c i rc u m f ere n ce, in in c h es ? E x p ress yo u r an s w er in t er m s o f p iπ .

Soluzione

c i rc u m f ere n ce : 2 π \frac{i n ^{2}}{π}

Fasi della soluzione

Given:

a re a : i n^{2}

Raggio della circonferenaza data

A re a = i n^{2} : r = \frac{n ^{2} i}{π}

Circonferenza del cerchio dato

r = \frac{i n ^{2}}{π} : C = 2 π \frac{n ^{2} i}{π}

c i rc u m f ere n ce : 2 π \frac{i n ^{2}}{π}

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