뒤로Right Triangle Relationships and Solving for Sides/Angles
스터디 가이드 - 스마트 노트
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Q19. Use the following to solve the right triangle. Give angles in degrees and minutes. Round side lengths to two decimal places.
Background
Topic: Right Triangle Trigonometry
This question tests your ability to use trigonometric relationships and the Pythagorean theorem to solve for unknown sides and angles in a right triangle, given one angle and one side.

Key Terms and Formulas:
Right triangle: A triangle with one angle equal to 90°.
Pythagorean Theorem:
Trigonometric ratios:
Sum of angles in a triangle:
Step-by-Step Guidance
Identify the given values: angle and side ft.
Recall that angle is since the triangle is a right triangle.
Calculate angle using the triangle angle sum: .
Use the sine and cosine ratios to set up equations for sides and :
Convert angle to decimal degrees if needed for calculation.
Try solving on your own before revealing the answer!
Final Answer:
Angle
Side ft
Side ft
We used the triangle angle sum and trigonometric ratios to solve for the unknown sides and angle, rounding as instructed.