Solve each right triangle with the given sides and angles. In each case, make a sketch. Round approximate answers to the nearest tenth. 39. a = 6, b = 8 40. a = 10, c = 12 41. b = 6, c = 8.3 42. a = 32.4°, b = 10 43. a = 16°, c = 20 44. B = 47°, a = 3

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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### Solving Right Triangles with Given Sides and Angles

**Instructions:** Solve each right triangle using the given sides and angles. For each case, make a sketch of the triangle. Round approximate answers to the nearest tenth.

---

**Problems:**

39. \( a = 6, \, b = 8 \)

40. \( a = 10, \, c = 12 \)

41. \( b = 6, \, c = 8.3 \)

42. \( \alpha = 32.4^\circ, \, b = 10 \)

43. \( \alpha = 16^\circ, \, c = 20 \)

44. \( \beta = 47^\circ, \, a = 3 \)

---

### Explanation

For each problem, you are to calculate the missing side(s) and angle(s) of a right triangle using the given information. Use trigonometric relationships (sine, cosine, tangent) and the Pythagorean theorem as needed.

- **\(a\)**, **\(b\)**, and **\(c\)** represent the lengths of the sides.
- **\(\alpha\)** and **\(\beta\)** represent the angles, with \(\alpha\) usually being the angle opposite side \(a\), and \(\beta\) being the angle opposite side \(b\).

#### Example Sketch:
- Draw a right triangle.
- Label the sides \(a\), \(b\), and \(c\) where \(c\) is the hypotenuse.
- Mark the angles \(\alpha\) and \(\beta\).

Ensure to verify your work and check calculations for accuracy.
Transcribed Image Text:### Solving Right Triangles with Given Sides and Angles **Instructions:** Solve each right triangle using the given sides and angles. For each case, make a sketch of the triangle. Round approximate answers to the nearest tenth. --- **Problems:** 39. \( a = 6, \, b = 8 \) 40. \( a = 10, \, c = 12 \) 41. \( b = 6, \, c = 8.3 \) 42. \( \alpha = 32.4^\circ, \, b = 10 \) 43. \( \alpha = 16^\circ, \, c = 20 \) 44. \( \beta = 47^\circ, \, a = 3 \) --- ### Explanation For each problem, you are to calculate the missing side(s) and angle(s) of a right triangle using the given information. Use trigonometric relationships (sine, cosine, tangent) and the Pythagorean theorem as needed. - **\(a\)**, **\(b\)**, and **\(c\)** represent the lengths of the sides. - **\(\alpha\)** and **\(\beta\)** represent the angles, with \(\alpha\) usually being the angle opposite side \(a\), and \(\beta\) being the angle opposite side \(b\). #### Example Sketch: - Draw a right triangle. - Label the sides \(a\), \(b\), and \(c\) where \(c\) is the hypotenuse. - Mark the angles \(\alpha\) and \(\beta\). Ensure to verify your work and check calculations for accuracy.
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