Point Z is the incenter of ΔSRT. Point Z is the incenter of triangle S R T. Lines are drawn from the points of the triangle to point Z. Lines are drawn from point Z to the sides of the triangle to form right angles and line segments Z A, Z B, and Z C. Angle A Z R is 35 degrees. Angle Z R C is 35 degrees. Angle BS Z is 24 degrees. Angle Z S A is 24 degrees.
What is mAngleZTB?

24°
31°
35°
62°