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Popular Word Problems >

The radius of a circle is 3 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 3 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 : 6 π c m

+1

Decimal

18.84955 \dots

Solution steps

Given:

r a d i u s : 3 c m

Circle circumference given

r = 3 : C = 6 π

c i rc u m f ere n ce : 6 π c m

Popular Examples

The radius of a circle is 9 ft. Find its area in terms of pipi.For an investment to return RM6,000 at the end of an investment period of 6 years with simple interest rate of 4% p.a., how much should be invested Shane deposited 10,000.00 into a new savings account that earns 15% interest compounded annually. How long will it take for the balance to grow to 19,960.00?Round your answer to the nearest month.The circumference of a circle is 17pi m. What is the area, in square meters? Express your answer in terms of pipi 8 times the sum of a number x and 10