en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

The circumference of a circle is 18pi cm. What is the area,

Solution

The circumference of a circle is 18\pi cm. What is the area,

Solution

a re a : 81 π c m^{2}

+1

Decimal Notation

254.46900 \dots

Solution steps

Given:

c i rc u m f ere n ce : 18 π c m

Radius given

C i rc u m f ere n ce = 18 π : r = 9

Circle Area given

r = 9 : A = 81 π

a re a : 81 π c m^{2}

Popular Examples

Karen puts 700.00 into an account to use for school expenses. The account earns 10% interest, compounded annually. How much will be in the account after 6 years? Round to nearest cent Hassan and Anne deposit 6,000.00 into a savings account which earns 10% interest compounded monthly. They want to use the money in the account to go on a trip in 2 years. How much will they be able to spend?Three consecutive integers have a sum of 45. Find the integers.a number x plus three multiplied by 9 Find the present value of 9000 payable at the end of 2 years, if money may be invested at 8% with interest compounded continuously.