Question

calculate the areaof quadrilateral PQRS , whose diagonal PR = 20cm and the length of perpendicular from Qand S on PR is 12cm and 10cm respectively​

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

2

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