The area of a trapezium shaped field is 510cm2, the distance between two parallel sides is 15cm and one of the parallel side is 20cm .Find the other parallel side
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Answer:
6.8
Step-by-step explanation:
let the unknown parallel side be x
area of trapezium = 1/2 × ( sum of parallel) × height
In the given trapezium
510 cm2 = 1/2 × (20+x ) × 15
510 cm2 = 10 × x/2 × 15
(510 × 2 ) ÷ (10×15) = x
6.8 = x
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