The area o the right triangle is 28 sq. cm.One of its perpendicular sides exceeds the other by 10 cm.find the longest of the perpendicular sides.
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Step-by-step explanation:
let one of the sides be xcm
then the other is x+10cm.
1/2*x*x+10=28
x^2+10x=56
x=4cm.another side is 14cm.longest is 14cm
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