Lesson 3: Trigonometric Ratios Answers

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.

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

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

Triangle ABC is shown below.

Triangle ABC is isosceles.

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

Triangle ABC is isosceles.

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

is a perpendicular bisector of .

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