options: Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles.

Explain and use the relationship between the sine and cosine of complementary angles.

Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.
problem_activity: Problem 1
Find the value of the side length marked
$$x$$
.
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Problem 2
Given the following right triangle, find all of the angle measures to the nearest degree.
[IMG]


correct_option_index: 2