Question

please tell question 1 b part​

Answer 1

Area of ∆ABC = 1/2*Base*Height

= 1/2*10*2 = 10cm²

now,

Area of Quadrilateral AEDC = 1/2(sum of perpendicular distance) * Diagonal

Area = 1/2(2.5+5)*10 = 5*7.5 = 37.5 cm²

Total area = 47.5cm² (Ans)