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 20pi 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 20 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 : 100 π c m^{2}

+1

Décimale

314.15926 \dots

étapes des solutions

Given:

c i rc u m f ere n ce : 20 π c m

Cercle de rayon donné

C i rc u m f ere n ce = 20 π : r = 10

Cercle de surface donnée

r = 10 : A = 100 π

a re a : 100 π c m^{2}

Exemples populaires

The product of two consecutive positive integers is 342:Find the smaller number.:Show your work here what is the result when the number 75 is increased by 41%smallest number-24,-72,-42 What is the units digit of 22023 × 32023?A project requires an initial outlay of 96000 and produces the returns of 32000, 38000 and 50000 at the end of years 1, 2, and 3, respectively. If the market rate is 7%, find the net present value of the project.