1.

Find the area of a circle inscribed in a square of side 28 cm.[Diameter of the circle is equal to the side of the square]

Answer»

Diameter of a circle = d = side of a square = 28 cm.

∴ d = 28 cm

⇒ r = d/2 = 28/2 = 14 cm

∴ Area of a circle = 22/7 × 14 × 14

= 22 × 28

= 616 sq.cm.



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