Question

Manik's field is in the shape of a trapezium with non-parallel sides each equal to 100 m. If the perimeter of his field is 460 m and the perpendicular distance between the parallel sides is 80 m then what is the area of his field​

Answer 1

Let the parallel sides be a and b

Perimeter = a+b + 2× ( non parallel sides)

460 m = a+b + 2 × (100)

460 = a+b + 200

a+ b = 260 m

area of trapezium

= 1/2 × perpendicular distance × (a+b)

= 1/2 × 80 × 260

= 40 × 260

:. area of trapezium = 10400 m^2

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Answer 2

Answer is in the attachment sorry for the quality of page, but I think its clear

I hope it will help you ✌.