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The longest side of a triangle is 7 times the shortest side and the third side is 5cm shorter than the longest side. If the perimeter of the triangle is at least 49cm, find a minimum length of the shortest side understand
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The shortest side=x
Longest side=7x
Third side=7x-2
Perimeter of the triangle ≥ 49cm
So,
(x)+(7x)+(7x-5) ≥ 49
7x-5≥ 49
7x ≥ 49+5
7x ≥ 54
x ≥ 6
as, x is the length of the shortest side therefore it’s length is at least(i.e. minimum) 6cm.
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cutiashu:
in this when u add them x+7x+7x then it becomes 15x how u write 7x
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I think it is write ...
plzz comment it is write or not bcoz I was confused !!
plzz comment it is write or not bcoz I was confused !!
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