en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

The radius of a circle is 13 centimeters. What is the circle's circumference?

Solution

T h e r a d i u s o f a c i rc l e i s 13 ce n t im e t ers . Wha t i s t h e c i rc l e^{'} s c i rc u m f ere n ce ?

Solution

c i rc u m f ere n ce : 26 π c m

+1

Decimal

81.68140 \dots

Solution steps

Given:

r a d i u s : 13 c m

Circle circumference given

r = 13 : C = 26 π

c i rc u m f ere n ce : 26 π c m

Popular Examples

Maddie puts 5,000.00 into an account to use for school expenses. The account earns 3% interest, compounded monthly. How much will be in the account after 9 years?You buy a zero coupon bond with a face value of 13,000 that matures in 19 years for 7,000. What is your annual compound rate of return?eighteen times a number increased by five times one more than the number is 97 The diameter of a circle is 24 cm. Find its area A car enthusiast learns that a particular model of car, which costs 34, 411 new, loses 25% of its value every year. How much will the car be worth in 6 years?