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4-72.

For each triangle below, write an equation relating the reference angle (the given acute angle) with the two side lengths of the right triangle. Then solve your equation for . Homework Help ✎

Recall: 

  1. Triangle

  1. Triangle

  1. Triangle

  1. For part (c), use the complement of the reference angle to write a different equation. Solve for to confirm your answer for part (c).