# Chapter 1 - Trigonometric Functions - Section 1.2 Angle Relationships and Similar Triangles - 1.2 Exercises: 57

30 meters

#### Work Step by Step

1. It is similar triangles problem. We need to put shadow over shadow and set it equal to actual height over actual heght of the tree. $\frac{3}{45}=\frac{2}{t}$ 2. Then solve for t: $3t= 90$ $t=30$ 3. Don't forget the units 30 meters

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