Question

A diagonal of a quadrilateral is 40 m long and the perpendiculars to it from the opposite corners are 8 m and 10 m respectively. Find the area.

Answer 1

area = 1/2 * diagonal * sum of perpendiculars
= 1/2 * 40m * (8+10m)
= 20m * 18 m
=360m^2

therefore the area of the quadrilateral is 360m^2.

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