Find the sum of the lengths of the bases of a trapezium whose altitude is 7cm and area is 105
cm.
Please send the answer fast..
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Step-by-step explanation:
area of trapezium = 1/2 × sum of parallel lines x h = 105
1/2 × sum of parallel lines x 7 = 105
1/2 × sum of parallel lines = 105/7
sum of parallel lines = 105/7 × 2
= 30 cm sum of ll lines
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