In order to prove triangle similarity by AAA what does X have to equal?

x has to be equal to 12

Step-by-step explanation:

In other to prove that the triangles are similar, the values of the angles at certain points must be equal

for example, the angle at the top vertices should be equal

So, we have it that;

6x = 3x + 36

6x-3x = 36

3x = 36

x = 36/3

x = 12

i found two solutions,   n = 2 • ± √3 = ± 3.4641

step-by-step explanation:

proofs involving isosceles triangles often require special consideration because an isosceles triangle has several distinct properties that do not apply to normal triangles.(more about triangle types) therefore, when you are trying to prove that two triangles are congruent, and one or both triangles, are isosceles you have a few theorems that you can use to make your life easier.

step-by-step explanation:

an isosceles triangle has two congruent sides and two congruent angles. the congruent angles are called the base angles and the other angle is known as the vertex angle. ∠bac and ∠bca are the base angles of the triangle picture on the left. the vertex angle is ∠abc