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Popular Word Problems >

The area of a circle is 4.8 cm2. Find the circunferência of the circle, rounding your answer to 3 significant figures.

Solução

T h e a re a o f a c i rc l e i s 4.8 c m 2. F in d t h e c i rc u m f ere n ce o f t h e c i rc l e, ro u n d in g yo u r an s w er t o 3 s i g ni f i c an t f i gu res .

Solução

c i rc u m f ere n ce : 7.77 c m

Passos da solução

Given:

a re a : 4.8 c m^{2}

Raio do círculo dado

A re a = 4.8 : r = 1.23607 \dots

Circunferência do círculo dado

r = 1.23607 \dots : C = 7.76650 \dots

c i rc u m f ere n ce : 7.77 c m

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