Monday, January 20, 2014

PERIMETER OF A SEMI CIRCLE A6

Find the perimeter of the following semi-circle.



Solution

Perimeter = ∏D + D
                          2

Perimeter =( 1122  X 856 )    +  56
                          17         12

            = (11 x 8 ) + 56

            = 88 + 56

            = 144


Hence perimeter is 144 cm.
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