perimeter of a rectangle is 80 cm and its breadth is 16 cm find its length
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Answer:
Length =24cm
Step-by-step explanation:
Take P to represent perimeter
Perimeter =2(length +width)
P=2(l+w)
80cm=2(l+16cm)80cm=2l+32cm
Bring the like terms together by transferring 32cm to the other side
Note that the + sign changes to - sign
80cm - 32cm=2l
48cm=2l
Divide both sides by 2 to remain with l alone
24cm =L
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