Question

In a quadrilateral playground , the diagonal of length 52m divides the field into equal parts . The length of the altitude to the diagonal is 30m. Find the total cost to clear the playfield at the rate of ₹12 persq.m

please do it with steps

Answer 1

Answer:

The diagonal divides the quadrilateral in two triangles of equal area

The area of one triangle =(1/2)×52×30

So the area of quadrilateral= 2×(1/2)×52×30

=52×30

Cost =52×30×12=18720