en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

Find the area of a circle with a radius of 21 inches.

Solution

Find the area of a circle with a radius of 21 inches.

Solution

a re a : 441 π in c h^{2}

+1

Solution steps

Given:

r a d i u s : 21 in c h

Circle Area given

r = 21 : A = 441 π

a re a : 441 π in c h^{2}

Popular Examples

find the circumference of a circle with an area of 615.75 the product of pragati,s age 2 years ago and 3 years hence is numerically 84 find her present age Pedro opened a savings account 8 years ago. The account earns 7% interest, compounded monthly. If the current balance is 800.00, how much did he deposit initially?the sum of the consecutive number is 35.Devaughn's age is two times Sydney's age. The sum of their ages is 78 . What is Sydney's age?