Isosceles Triangles Answers

What is always true about the angles of an isosceles triangle?

What is true about QRT? Select two options.

Triangle ABC is isosceles.

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.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.

is a perpendicular bisector of .

Consider the diagram and proof by contradiction.Given: △ABC with ∠B ≅ ∠CProve: AB ≅ AC

Triangle ABC is isosceles.

Triangle ABC is shown below.

Consider the diagram and proof by contradiction.Given: △ABC with AB ≅ AC