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 4 miles. What is the circumference?Give the exact answer in simplest form.

Solution

T h e r a d i u s o f a c i rc l e i s 4 mi l es . Wha t i s t h e c i rc u m f ere n ce ? G i v e t h e e x a c t an s w er in s im pl es t f or m .

Solution

c i rc u m f ere n ce : 8 π mi l e

+1

Decimal

25.13274 \dots

Solution steps

Given:

r a d i u s : 4 mi l e

Circle circumference given

r = 4 : C = 8 π

c i rc u m f ere n ce : 8 π mi l e

Popular Examples

The sum of two numbers is 72, and one number is twice the other. What are the two numbers?If a shirt that costs 35 is on sale for 25% off, what is the sale price?10 less than a number is equal to 15. find the number The different between a number and-7 is grater than-23 Victor is saving up money to buy a car. Victor puts 10,000.00 into an account which earns 4% interest, compounded quarterly. How much will he have in the account after 9 years?