the length and breadth of a rectangle are in the ratio 5:2. if its perimeter 2m 80 cm. Find its dimensions with the process
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Answered by
1
Step-by-step explanation:
l/b=5/2
l=5k
b=2k
2(l+b)=280cm
(l+b)=140cm
5k+2k=140cm
7k=140cm
k=20cm
l=5k
l=5×20
l=100cm or 1m
b=2k
b=2×20
b=40cm or 0.4m
Answered by
1
answer:100cm and 40cm
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