Question

If the diagonal of a quadrilateral is 9cm and the perpendiculars drawn to diagonals are 4cm, 4.8cm, then the area of the quadrilateral is A) 80.2 sq.cm B) 79.2 sq.cm C) 39.6 sq.cm D) 9.6 sq.cm​

Answer 1

Answer:

Correct option is C)

Given:

d=40cm

h

1

=12cm

h

2

=7.5cm

Area of quadrilateral =

2

1

d(h

1

+h

2

)

=

2

1

×40(12+7.5)=20×19.5=390cm

2