Two adjacent sides of a triangle are 3xsquare and 7xsquare - 2xy. find its perimeter
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Answer:
Perimeter =20x²−4xy.
Step-by-step explanation:
Adjacent sides in rectangle are lenght and base
Perimeter of rectangle =2(length+breadth)
Perimeter =2(3x²+7x²−2xy)
Perimeter =2(10x²−2xy)
Perimeter =20x²−4xy.
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