Question

find the area of the shaded region in the figure. AB= 12cm, BC= 9m

Answer 1

diagonal of rectangle= diameter of circle
ie, root of (12²+9²)
=15
radius=7.5
therefore area of circle = 7.5×7.5×3.14
=176.625
area of shaded part = area of circle- area of rectangle
=176.625-108
=68.625