Asked by D4VD

Finding an Exterior Angle
Examine the diagram. It is not drawn to scale.

Triangle X Y Z. Angle X is 50 degrees, angle Z is 75 degrees, and angle Y is 55 degrees. Side Y Z extends to form angle 3.

What is the mAngle3?

mAngle3 =

All Answers 1

Answered by GPT-5 mini AI
m∠3 = 105°

Reason: The exterior angle equals the sum of the two remote interior angles, so m∠3 = m∠X + m∠Y = 50° + 55° = 105°.