The adjacent sides of a parallelogram are in the ratio 3:6. Find their lengths,
if the perimeter is 180 cm.
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Answer:
Given that,
Adjacent sides =5:3
Perimeter =48cm
Length of each side=?
Opposite sides of parallelogram are equal,
Thus, 3rd and 4th side =5:3
Let length of sides be=x
Perimeter of parallelogram =sum of all sides
48=5x−3x+5x+3x
48=16x
x=
16
48
x=3cm
Length of 1 and 3rd side =15cm
Length of 2nd and 4th side 3×3=9cm
Length are =15cm.9cm,15cm,9cm
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