Question

In a triangle length of the longest side is twice the length of the smallest side. if the length of the third side is 7cm and perimeter is 19cm,write the suitable equation in one variable to the given data.

Answer 1

Dear friend
Let one side be x
Let second side be 2x
X+2x+7=19
3x=19-7=12
x=12/3
x=4
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