Question

plzz solve this fastly

Answer 1

ADC)
1/2 circumference = 1/2 × π×d
= 1/2×22/7×4.3
= 6.45cm ----(I)

AEB)
1/2circumference = 1/2×π×d
= 1/2×22/7×2.8
= 4.20cm ----(II)

CFB)
1/2 circumference = 1/2×π×d
= 1/2×22/7×1.4
= 2.10cm ----(III)

Perimeter of Shaded region = (I) + (II) + (III)
= 6.45+4.20+2.10
= 12.75 cm