Triangle XYZ is isosceles. The measure of the vertex angle, Y, is twice the measure of a base angle.

What is true about triangle XYZ? Check all that apply.

Angle Y is a right angle.

The measure of angle Z is 45°.

The measure of angle X is 36°.

The measure of the vertex angle is 72°.

The perpendicular bisector of creates two smaller isosceles triangles.