1.

The area of a circle is 3850 cm2. What is its circumference (in cm).1). 1202). 1103). 2204). 240

Answer»

Area of circle with RADIUS ‘r’ = πr2$

⇒ 22/7 × r2$ = 3850

⇒ r2$ = 1225

⇒ r = √1225 = 35 cm

CIRCUMFERENCE of circle = 2πr = 2 × 22/7 × 35 = 220 cm


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