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Popular Word Problems >

The circumference of a circle is 22pi 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 22 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 : 121 π i n^{2}

+1

Decimal

380.13271 \dots

Solution steps

Given:

c i rc u m f ere n ce : 22 π in

Radius given

C i rc u m f ere n ce = 22 π : r = 11

Circle Area given

r = 11 : A = 121 π

a re a : 121 π i n^{2}

Popular Examples

find the circumference of a circle with an area of 1,134.11 square meters Determine the simple interest owed on 820for 5 years at a rate of 16.5%.seven more than the product of a number and 4 equals 9 Eleven subtracted from two times a number is-1. What is the number?Find the area of the circle when the circumference is 26pi in