Question

19. In Fig. 13.94, AB = 10 cm, AF =6cm,
ED = 10 cm and EF = 8 cm and BCD is a semicircle drawn on BD as diameter. Find the
perimeter of the shaded region. (Use pie=3.14)
​

Answer 1

Answer:

154.5

Step-by-step explanation:

join AE then it form square

area of square=24

area of ABDEF=100-24

=76

AREA OF SEMI CIRCLE =πd²/4

π×100/4=π×25

3.14×25=78.5

area of shaded region =78.5+76

=154.5

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