1.

The circumference of a circle is 88 cm. Find itsarea.

Answer»

Circumference of circle = 2πr88 = 2 × 22/7 × r88 = 44/7 × r88 × 7 = 44 × r616 = 44 × r616 ÷ 44 = r14 = radius Area of circle = πrsq = 22/7 × 14 × 14 = 44 × 14 = 616cm sq



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