fr

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Populaire Word Problems >

The circonférence of a circle is 3𝜋 kilometers. What is the area?

Solution

T h e c i rc u m f ere n ce o f a c i rc l e i s 3​𝜋 ki l o m e t ers . Wha t i s t h e a re a ?

Solution

a re a : 7.07 k m^{2}

étapes des solutions

Given:

c i rc u m f ere n ce : 3 π km

Cercle de rayon donné

C i rc u m f ere n ce = 3 π : r = 1.5

Cercle de surface donnée

r = 1.5 : A = 7.06858 \dots

a re a : 7.07 k m^{2}

Exemples populaires

The radius of a cercle is 5 in. Find its area in terms of Deon deposited 4000 into an account with 4.7% interest, compounded annually. Assuming that no withdrawals are made, how much will he have in the account after 5 years?18 more than a number is 2 Tammy is riding her bicycle. She rides for 32.5 kilometers at a speed of 13 kilometers per hour. For how many hours does she ride?A standard die is rolled. Find the probability that the number rolled is even. Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.