Saturday, January 18, 2014

PERIMETER OF A SEMI CIRCLE A3

Find the perimeter of the following semi-circle.


Solution

Perimeter = ∏D + D
                     2

Perimeter =( 1122  X 1177 )    +  77
                    17           12

            = (11 x 11 ) + 77

            = 121 + 77

            = 198


Hence perimeter is 198 cm
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