sides of a rectangle are the ratio 5 : 4. If its perimeter is 72 CM then its length is
candy2004:
l =20 and b=16
Answers
Answered by
162
since ratio of length and breadth is 5:4
now let 5x is length and 4x is breadth
according to the question,
perimeter=72=2(5x+4x)=2(9x)=18x
18x = 72
x = 72/18 = 4
then length= 5x = 5*4= 20 cm
breadth = 4 x = 4*4 = 16 cm
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now let 5x is length and 4x is breadth
according to the question,
perimeter=72=2(5x+4x)=2(9x)=18x
18x = 72
x = 72/18 = 4
then length= 5x = 5*4= 20 cm
breadth = 4 x = 4*4 = 16 cm
plz mark it as brainliest
Answered by
30
l=20 cm and b = 16 cm
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