Calculate the missing length on the equilateral triangle. solve for x when using 2 equal sides 5

An equilateral triangle is equilateral and equiangular, meaning its sides are all congruent and its angles are all congruent.since you are told that two sides equal 5 and that the triangle is equilateral, you know that the third side is also 5 units.hope this .

Horizontal change or the change of x