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 14pi cm. What is the area, in square centimeters? 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 14 π c m . Wha t i s t h e a re a, in s q u a re ce n t im e t ers ? E x p ress yo u r an s w er in t er m s o f p iπ .

Solution

a re a : 49 π c m^{2}

+1

Décimale

153.93804 \dots

étapes des solutions

Given:

c i rc u m f ere n ce : 14 π c m

Cercle de rayon donné

C i rc u m f ere n ce = 14 π : r = 7

Cercle de surface donnée

r = 7 : A = 49 π

a re a : 49 π c m^{2}

Exemples populaires

25% of what number is 160 4400 dollars is placed in an account with an annual interest rate of 8.25%. How much will be in the account after 29 years?2/5 of a number is 16. What is the number The product of a number and 4 is 28.The radius of a cercle is 3 cm. Find its area to the nearest tenth.