Saturday, January 18, 2014

PERIMETER OF A SEMI CIRCLE A2

Find the perimeter of the following semi-circle.



Solution

Perimeter = D + D
                       2

Perimeter =( 1122  X 1070 )    +  70
                        17          12

            = (11 x 10 ) + 70

            = 110 + 70

            = 190


Hence perimeter is 190 cm

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