length of a rectangle is 16 cm less than twice its breadth.if the perimeter is 100 cm find l and b
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Let breadth,b =x
Length,l = 2x-16
ATQ : 2(l+b) = 100
2(2x-16+x) = 100
On solving, x = 22 = breadth
length = 28 cm
Answered by
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You know that formula of perimeter of rectangle is 2(l+b) If length is 16 cm less than twice its breath then =>100=2(x+2x-16) 50=3x-16 66=3X x=22 breadth is 22 cm length is 28
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