the length of a rectangular floor is 20 metres more than its breadth the perimeter of the floor is 280 what is its length
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Answer:
P= 2(l+b)
280= 2(l+b)
First we need to find the breath.
B= 280- 2L
B=280- 40
B=240m.
L= 240+20
= 260m.
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