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 12 kilometers. What is the circumference?Give the exact answer in simplest form. kilometers

Solution

T h e d iam e t er o f a c i rc l e i s 12 ki l o m e t ers . 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 . ki l o m e t ers

Solution

c i rc u m f ere n ce : 12 π km

+1

Decimal

37.69911 \dots

Solution steps

Given:

d iam e t er : 12 km

Circle circumference given

d = 12 : C = 12 π

c i rc u m f ere n ce : 12 π km

Popular Examples

five times the sum of a number and fifteen is 50 12% of what number is 360 Tisha deposited 60,000 in a savings account with simple interest. Two years later, she had earned 4,800 in interest. What was the interest rate?The difference between five times a number and five is forty. Find x Find two consecutive whole numbers that sqrt(10) lies between.