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Popular Word Problems >

The radius of a circle is 9 cm. Find its circumference in terms of pipi.

Solution

T h e r a d i u s o f a c i rc l e i s 9 c m . F in d i t s c i rc u m f ere n ce in t er m s o f p iπ .

Solution

c i rc u m f ere n ce : 18 π c m

+1

Decimal

56.54866 \dots

Solution steps

Given:

r a d i u s : 9 c m

Circle circumference given

r = 9 : C = 18 π

c i rc u m f ere n ce : 18 π c m

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