the sides of the tectangle are in the ratio 2:1 the perimeter is 3ocm calculate the measure of all the sides
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Given
L/b=2/1
=>L=2b
Now,
Perimeter=2(L+b)
30=2(2b+b)
30=2(3b)
b=5
Therefore
L=2×b
L=2×5
L=10
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