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 18pi in. What is the area, in square inches? Express your answer in terms of pipi.

Solution

T h e c i rc u m f ere n ce o f a c i rc l e i s 18 π in . Wha t i s t h e a re a, in s q u a re in c h es ? E x p ress yo u r an s w er in t er m s o f p iπ .

Solution

a re a : 81 π i n^{2}

+1

Décimale

254.46900 \dots

étapes des solutions

Given:

c i rc u m f ere n ce : 18 π in

Cercle de rayon donné

C i rc u m f ere n ce = 18 π : r = 9

Cercle de surface donnée

r = 9 : A = 81 π

a re a : 81 π i n^{2}

Exemples populaires

Mr. Fernandez deposits 60,000 into an account that pays 2.5% annual interest compounded quarterly. What will be the balance after 20 years? Round to the nearest cent.Kristian bought a jacket for 110.25. If sales tax is 8.5%, how much will he pay in total?the sum of a number x and 7.32.2 is 92% of what number 5 more than the product of a number and 2 is 11