Q. 185.0( 4 Votes )

# In Fig.15.72(a), OABC is a square of side 7cm. If OAPC is a quadrant of a circle with centre O, then find the area of the shaded region.

Answer :

Given,

Side of square = 7cm

Area of square = (side)^{2} = 7^{2} = 49cm^{2}

Area of quadrant OAPC =

Area of shaded region = (area of square – area of quadrant)

= 49 – 38.5 = 10.5 cm^{2}

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