Answer :

.


Given:


AB = BC = 7 cm


DE = 4 cm


DF = 3.5 cm


CD = DE + EC = 11 cm



Area of Trapezium ABCD = × Sum of Parallel Sides × Height


Area of Trapezium ABCD =


Area of shaded region = Area of Trapezium ABCD - Area of sector CBE


Answer: Area of Shaded region = 18.67 cm2


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