The two adjacent sides of a rectangle are 3a – b and 6b - a. Find its perimeter.
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Answer:
4a+10b
Step-by-step explanation:
Perimeter of a rectangle = 2 (l+b)
Length, l = (3a-b)
Breadth, b = (6b-a)
=> Perimeter of rectangle = 2 (3a - b + 6b - a)
=> 2 (2a + 5b)
=> 4a+10b
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