the length of a rectangular plot is thrice its breadth and its perimeter is160 cm. Find area of plot
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ssimran:
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u have divided 80 by 2 but 80 should be divided by 4
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《b=breath
l=length
p=perimeter
a=area》
let b=x
so,l=3x
p=2(l+b)
160=2(3x+x)
160=2×4x
160=8x
160÷8=x
20=x
b=x=20cm
l=3x=20×3=60cm
a=l×b
a=60×20
a=1200cm^2
if it is helpful Mark it as brainlist
l=length
p=perimeter
a=area》
let b=x
so,l=3x
p=2(l+b)
160=2(3x+x)
160=2×4x
160=8x
160÷8=x
20=x
b=x=20cm
l=3x=20×3=60cm
a=l×b
a=60×20
a=1200cm^2
if it is helpful Mark it as brainlist
thanks for answer
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