Isosceles Triangles Answers

GJ bisects ∠FGH and is a perpendicular bisector of FH.

The vertex angle of an isosceles triangle measures 40°. What is the measure of a base angle?

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

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

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

Triangle ABC is shown below.

Triangle ABC is isosceles.

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.

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

Triangle ABC is isosceles.