Calculate the area and circumference of a circle, Mathematics

Calculate the area and circumference of a circle:

Calculate the area and circumference of a circle with a 3" radius. 

Solution:

A =      πr2                               C = 2πr

A =      π(3)(3)                         C = (2)π(3)

A =      π(9)                              C = π(6)

A = 28.3 square inches            C = 18.9 inches

Posted Date: 2/9/2013 6:40:20 AM | Location : United States







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