class 9 her on formula lesson find the height of a trapezium in which parallel sides are 25cm , 77cm and non parallel sides and 26cm, 60cm . given the area of trapezium as 1644 cm square
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area of trapezium =1/2×(sumof parallel sides )×h = 1644
1/2 (25+77) × h = 1644
51×h =1644
h = 1644/51
h = 32.23 cm
1/2 (25+77) × h = 1644
51×h =1644
h = 1644/51
h = 32.23 cm
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