Question

Please answer this!!

Answer 1

construction perpendicular on DC from vertex B.

BM is height = root 3 × 7/3

(bcz 30,60,90 triangle)

area of shaded region = area of ABCD - Area of sector

= 1/2× (13+7)× root 3 × 7/2 - 1/6× 22/7× 7×7

= 21 root 3 - 77/3 = (63root3 - 77)/3 sq cm

Answer 2

this is your answer

hope it will help you