1.

a diagonal of a quadrilateral is 40 m long and the perpendicular to it from the opposite corner 8 metre and 10 respectively find its area​

Answer»

Step-by-step explanation:

area of quadrilateral = area of two TRIANGLES formed by the DIAGONAL

= 1/2 (diagonal)× (sum of PERPENDICULARS)

=1/2 ×40 × 18

20x18 = 360 m^2



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