(1) The area of a trapezium is 34 cm and the length of one of the parallel sides is 10 cm and it's height is 4 cm.
Find the length of the other parallel side
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let the required other side be x cm .
area of trapezium=1/2xsum of parallel sides x height
34=1/2 x 10+x x4
10+x=17
x=7
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Area of Trapezium
= 1 /2×Sum of Parallel Sides ×
Distance between parallel sides
⇒34= 21 ×(10+x)×4
⇒x=7
Length of other parallel side of trapezium is 7 cm
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