Question

Find the area of quadrilateral PQRS whose diagonal is 18 cm and height are PM and RN 10 cm, 12 cm.​

Answer 1

Answer:

Area of quadrilateral=Area of ΔPSR+Area of ΔPQR

Given PR=20cm,SA=10cm,QB=12cm

=[

2

1

×PR×SA]+[

2

1

×PR×QB]

=

2

1

×20×10+

2

1

×20×12

=100+120

=220cm