The length of the tringle is 6 CM. The second side is twice the third side. The perimeter is 18 CM do.find the side of a triangle?
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Step-by-step explanation:
Let the 3rd side is x
2nd side 2x
1st side 6 cm
A.T.Q
Perimeter of triangle = sum of all 3 side
18=6+2x+x
18-6=3x
12=3x
12/3=x
x=4 cm
2x
2×4
8cm
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