Question

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

Answer 1

Let the length of the smallest side be x,then the length of the longest side will be 2x.
Third side is 7 cm.
A/q,
x+2x+7=19
3x+7=19