Question

if the area and sum of the parallel sides are 60cm and 12cm, it's height is................​

Answer 1

10 cm

Hope it helps you...

Answer 2

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Let, Sum of parallel sides be a and height be h

then

Area of the trapezium = 1/2 × a × h

=> 60 = 1/2 × 12 × h

=> 60 = 6 ×h

=> h = 12 cm