Question

Pls ans me this question.

Answer 1

Hii...

The area of quadrilateral===1/2*80*15+1/2*80×20

==========================600+800===1400sqcm

Answer 2

Area of Quadrilateral ABCD = Area of Triangle ADC + Area of Triangle ABC..............(1)

Area of Triangle ADC = 1/2 * base * height

= 1/2 * 80 * 15

= 40 *15 = 600 cm^2..................(2)


Area of Triangle ABC = 1/2 * 80 * 20 = 40 *20 = 800cm^2.......(3)

From (1) (2) and (3)

A(quadrilateral ABCD) = 600+800 = 1400 cm^2

Thus, area of Quadrilateral ABCD is 1400 cm^2