en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

The circumference of a circle is 24pi m. What is the area, in square meters? 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 24 π m . Wha t i s t h e a re a, in s q u a re m e t ers ? E x p ress yo u r an s w er in t er m s o f p iπ .

Solution

a re a : 144 π m^{2}

+1

Decimal

452.38934 \dots

Solution steps

Given:

c i rc u m f ere n ce : 24 π m

Radius given

C i rc u m f ere n ce = 24 π : r = 12

Circle Area given

r = 12 : A = 144 π

a re a : 144 π m^{2}

Popular Examples

The circumference of a circle is 20pipi cm. Find its diameter, in centimeters.A retirement account is opened with an initial deposit of 6, 500 and earns 6.12% interest compounded monthly. What will the account be worth in 20 years?In 6 years, sylvia will be 6/5 hue's age. Four years ago, sylvia was 10 years less than twice hue's age The sum of 10 times a number and-55 is-5. What is the number?Marianna wants to buy a new coat for the fall. The coat costs 38. If sales tax in her area is 9%, how much sales tax will Marianna have to pay?