The length of a rectangular floor is 20m more than its breadth if the perimeter of the floor is 280m what is the length?
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let the breadth be x.
length= x+20m
perimeter of a rectangle= 2(x+20+x)
280= 2(20+2x)
280=40+4x
280-40=4x
240=4x
240÷4=x
x=60m
hope it helped and if you liked it plz mark as brainiest
length= x+20m
perimeter of a rectangle= 2(x+20+x)
280= 2(20+2x)
280=40+4x
280-40=4x
240=4x
240÷4=x
x=60m
hope it helped and if you liked it plz mark as brainiest
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