1.

The area of a trapezium is 34 sqcm & the length of one of the parallel sides is 10 cm and its height is 4 emFind the length ofother parallel side.

Answer»

Let the lengths of parallel sides = 10cm and b cm

height = 4cm

area = 1/2 × (10+b) × 4

34 = 2 × (10+b)

10+b = 34/2 = 17

b = 17-10 = 7cm

the length of the other parallel side is 7cm



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