Triangle KNM is isosceles, where angle N is the vertex.

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? Select three options.


Triangle ABC is an isosceles right triangle. What is the measure of one base angle?
Triangle ABC is isosceles.

What is always true about the angles of an isosceles triangle?
In triangle FGH, is an angle bisector of and perpendicular to .

Right triangle ABC is isosceles and point M is the midpoint of the hypotenuse.

Consider the diagram and proof by contradiction.Given: △ABC with AB ≅ AC
Triangle SQT is isosceles. The measure of angle STQ is 48°.

Isosceles triangle ABC has a perimeter of 96 centimeters. The base of the triangle is and measures 24 centimeters.What is the measure of ?

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