1.

Find the radius and circumference of a circle whose area is :(1) 55.44 m. sq(2) 186.34 cm.sq​

Answer»

area of circle=pi ×R×r

pi=22/7.

now put the value in the required places and GET the value of r(thodi calculation khud B kr lo)

now for circumference use the FORMULA 2 × pi×r



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