Q2 of 27 Page 228

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

Since the circle is inscribed in a square of side 28 cm, this means that the diameter of the circle is equal to the side of square.

Diameter of circle, d = 28cm


⇒ Radius of circle, r = 14 cm


As we know that,


Area of a circle = π × r2



⇒ Area of circle = 616 sq.cm


∴ The area of circle inscribed in the square is 616 sq.cm


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Find the area of the shaded region in each of the following figures.


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3

Find the area of the shaded region in each of the following figures.