Q.32 The sides of a rectangle are 3x +y and 7x + 2y. Find its perimeter.
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Answer:
20x + 6y
Step-by-step explanation:
perimeter of rectangle is equal to 2(l+b)
hence perimeter will be,
= 2(3x + y + 7x + 2y)
= 2(10x + 3y)
= 20x + 6y
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