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The base and corresponding altitude of a...

The base and corresponding altitude of a parallelogram are 10 cm and 12 cm respectively. If the other altitude is 8 cm, find the length of the other pair of parallel sides.

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Area of parallelogram=>`B xx H`
where B and H are base and height of parallelogram.
`b_1xxh_1=b_2xxh_2`
`10xx12=8=xxb_2`
`b_2=15cm`
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