The perimeter of a rectangle is given by the expression 6a-4b. If the length of the rectangle is 2a-2b what is its breadth?
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Answer:
Perimeter= 6a-4b
Semi-perimeter= 6a-4b by 2
= 3a-2b
length= 2a-2b
breadth= (3a-2b)-(2a-2b)= a
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