Isosceles Triangles Answers

CD bisects ∠ACB. Which statements must be true? Check all that apply.

The vertex angle of an isosceles triangle measures 42°. A base angle in the triangle has a measure given by (2x + 3)°. What is the value of x? What is the measure of each base angle? x = Each base angle measures °.

Triangle WXY is isosceles. ∠YWX and ∠YXW are the base angles. YZ bisects ∠WYX.m∠XYZ = (15x)°. m∠YXZ = (2x + 5)°. What is the measure of ∠WYX?