In parallelogram ABCD, AM and AN are altitudes corresponding to base CD and BC respectively. If CD=20cm, AM=8cm and AN=16cm, find BC.
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Area(A) = Base (b) x height (h)
A = CD (20) x AM (8)
= 160cmsq.
So..
BC as base,
BC (b) = A/h = 160/16(AN)
= 10 cm .
A = CD (20) x AM (8)
= 160cmsq.
So..
BC as base,
BC (b) = A/h = 160/16(AN)
= 10 cm .
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