i) The sides of a triangle are (3x + 5y -z), (5y - 22 - 2x) and ( 72 +2x - 3y).
Find its perimeter
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Answer:
permiter =side+side+side
=3x+5y-z+5y-22-2x+72+2x-3y
=3x+7y-z+50
hope its helpful
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