Q. 44.2( 5 Votes )
The sides of rectangle are in the ration 4:5 and its perimeter is 180 cm. Find its sides.
40 cm, 50 cm
Let x be the common multiple.
As per question,
Length = 4x
Width = 5x
As per formula,
Perimeter = 2× (l + w)
180 = 2× (4x + 5x)
180 = 18x
x = 10
Length = 40 cm
Width = 50 cm
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