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Populaire Word Problems >

The area of a circle is 144pi in². What is the circonférence, in inches? Express your answer in terms of

Solution

T h e a re a o f a c i rc l e i s 144 π i n^{2} . Wha t i s t h e c i rc u m f ere n ce, in in c h es ? E x p ress yo u r an s w er in t er m s o f

Solution

c i rc u m f ere n ce : 2 π \frac{i n ^{2}}{π}

étapes des solutions

Given:

a re a : i n^{2}

Cercle de rayon donné

A re a = i n^{2} : r = \frac{n ^{2} i}{π}

Cercle de circonférence donnée

r = \frac{i n ^{2}}{π} : C = 2 π \frac{n ^{2} i}{π}

c i rc u m f ere n ce : 2 π \frac{i n ^{2}}{π}

Exemples populaires

When 32 is subtracted from the square of a number, the result is 4 times the number.The product of two consecutive integers is 156 . Find the integers.The area of the triangle whose sommets are (-2,1),(3,-1),(1,5) is Billy puts 200.00 into an account to use for school expenses. The account earns 15% interest, compounded annually. How much will be in the account after 6 years?A car enthusiast learns that a particular model of car, which costs 34,411 new, loses 25% of its value every year. How much will the car be worth in 6 years?If necessary, round your answer to the nearest cent.