find the measure of breadth of a rectangle if length is 20 cm and perimeter is 100 cm
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1
Perimeter = 2(l+b)
100. =2(20 + breadth)
100/2. =20 + breadth
50 - 20. = breadth
Breadth =. 30 cm
100. =2(20 + breadth)
100/2. =20 + breadth
50 - 20. = breadth
Breadth =. 30 cm
Answered by
1
Perimeter =2(length+breadth)
100=2(20+b)
50=20+b
b =50-20
Breadth =30 cm
100=2(20+b)
50=20+b
b =50-20
Breadth =30 cm
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