Find the sum of the length
of the parallel sides of a
trapezium with altitude
15 cm and area 135cm
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Answer:
Sum of parallel sides of trapezium is 18
Step-by-step explanation:
- Area = 135
- Height = 15
- Area of trapezium = 1/2(sum of parallel side) x height
- 135 = 1/2 (sum of parallel side) x 15
- 135x2/15 = sum of parallel side
- 9 x 2 = sum of parallel side
- 18 = sum of parallel side
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