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Popular Word Problems >

The area of a circle is 81pi mm^2. What’s its circunferência?

Solução

T h e a re a o f a c i rc l e i s 81 π m m^{2} . Wha t ’ s i t s c i rc u m f ere n ce ?

Solução

c i rc u m f ere n ce : 18 π mm

+1

Decimal

56.54866 \dots

Passos da solução

Given:

a re a : 81 π m m^{2}

Raio do círculo dado

A re a = 81 π : r = 9

Circunferência do círculo dado

r = 9 : C = 18 π

c i rc u m f ere n ce : 18 π mm

Exemplos populares

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