CPM Homework Banner
3-45.

Use the relationships in the diagrams below to write an equation and solve for . Homework Help ✎

  1.  

    This is a right triangle, so use the Pythagorean Theorem to solve for .

  1. What is the sum of these angles?
    How can you use the sum of the angles to write an equation and solve for ?

  1. Are these triangles similar?
    If so, how can you use their similarity to write an equation and solve for ?