en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

The diameter of a circle is 4 in. Find its circumference in terms of pipi.Answer

Solution

T h e d iam e t er o f a c i rc l e i s 4 in . F in d i t s c i rc u m f ere n ce in t er m s o f p iπ . A n s w er

Solution

c i rc u m f ere n ce : 4 π in

+1

Decimal

12.56637 \dots

Solution steps

Given:

d iam e t er : 4 in

Circle circumference given

d = 4 : C = 4 π

c i rc u m f ere n ce : 4 π in

Popular Examples

10 years ago, Jackie won some money in the lottery and put it in a bank account that earns 8% interest compounded monthly. If Jackie currently has 400.00 in the bank account, how much interest has she earned?Mitch and Riley deposit 7,770.00 into a savings account which earns 13% interest compounded monthly. They want to use the money in the account to go on a trip in 3 years. How much will they be able to spend?Find the amount Erica owes at the end of 6 years if 6000 is loaned to her at a rate of 7 % compounded monthly.What is the original price of an item that costs 182 after a 30% discount?The population of Sharon's home town is 30000 and has a growth rate of 3% each year. What is the estimated population after years?