Question

the area of trapezium 90 cm if parallel sides are 18 cm and 12 find the height of trapezium.

Answer 1

Area of trapezium = (sum of parallel sides) / 2 × height
90 = (18 + 12) / 2 ×h
90 × 2 / 30 = h
h = 6 cm

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Answer 2

This may help you in figuring out the question.