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?

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Answer:

The answers are,

The measure of angle Z is 45°.

The perpendicular bisector of  Line segment X Z creates two smaller isosceles triangles.

Angle Y is a right angle.

Step-by-step explanation:

I got it right on geometry test.