the perimeter of a rectangle is 56cm. One side is 12cm. longer than the other side. Find the lengths of the sides.
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Step-by-step explanation:
perimeter of rectangle=56 cm
breath=x
length=x+12
A.T.Q
56cm=2×(x+x+12)
56cm=2×2x+12
56cm-12=4x
44cm=4x
44cm÷4=x
11=x
breath=11cm
length=11+12=23cm
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