Question

Find the area of ABCD

Answer 1

40 cm^2

Area of ABCD = Area of triangle ABC + Area of triangle ADC

Area of ABC = 1/2 × b × h

= 1/2 × 10 × 3

= 15 cm^2

Area of triangle ADC = 1/2 × b × h

= 1/2 × 10 × 5

= 25 cm^2

Area of ABCD = 15+25

= 30 cm^2

This is your answer.