SOLUTION: Find the approximate circumference (in centimeters) and area (in square centimeters) of a circle whose diameter has length 60 cm. Use 𝜋 ≈ 3.14

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Question 1194228: Find the approximate circumference (in centimeters) and area (in square centimeters) of a circle whose diameter has length 60 cm. Use 𝜋 ≈ 3.14
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
Diameter of 60 inches means radius is 30 inches.

r for radius
C circumference
A area,


and



you have been given already .
.
.
.
Answer by ikleyn(52786)   (Show Source): You can put this solution on YOUR website!
.

Since the diameter is 60 cm (given), it implies that the radius is r = 30 cm.


Now use the formulas


    circumference =  = 2*3.14*30  cm;


    area =  =   cm^2.

Happy calculations (!)



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