Question

find the area of quadrilateral ABCD ,where BD = 22 cm, CE = 7 cm and, AF = 6 cm ​

Answer 1

in the figure , we have two triangles , BDC and ABD

NOW area of BDC = 1/2 x 22 x 7

= 11 x 7

= 77cm

now area of ABD = 1/2 x 22 x 6

= 11 x 6

= 66cm

area of quadrilateral = 77 + 66

143 cm