Question

if the area of trapezium is 140cm and distance between parallel sides is 10cm then what will be the sum of parallel sides ​

Answer 1

the above is the answer

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Answer 2

$given \\ height = 10cm \\ area = 140cm \\ area \: of \: trapezium = \frac{1}{2} \ ( sum \: of \: parallel \: sides)\times height \\ 140 \: \: \: \: = \frac{1}{2} \times 10 \times (sum \: of \: parallel \: sides) \\ 140 \times \frac{2}{10} \: \: \: = sum \: of \: parallel \: sides \\ 28cm \: \: \: \: \: \: \: \: \: = sum \: of \: parallel \: sides$