Q3 of 46 Page 73

Find the area of the coloured regions

Area of square = 7 × 7


= 49 cm2


Area of semicircle



= 19.25 cm2


Area of coloured region = Area of square - 2 × Area of semicircle


= 49-2 × 19.25


= 49-38.5


= 10.5 cm2


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