Math Problem Statement

Use a calculator, spreadsheet, or another tool to solve for the unknown sides of the given right triangle. The length of the hypotenuse is 17. a is the length of the side opposite the 10° angle and b is the length of the side opposite angle B. Round your answers to four decimal places.

Solution

The given triangle has the following details:

  • Hypotenuse (cc) = 17
  • One angle = 10°
  • aa is the side opposite the 10° angle.
  • bb is the adjacent side (opposite angle BB).

We can use trigonometric functions to solve for aa and bb.

  1. Finding aa (opposite side):

Using the sine function: sin(θ)=oppositehypotenusea=hypotenuse×sin(10)\sin(\theta) = \frac{\text{opposite}}{\text{hypotenuse}} \quad \Rightarrow \quad a = \text{hypotenuse} \times \sin(10^\circ)

  1. Finding bb (adjacent side):

Using the cosine function: cos(θ)=adjacenthypotenuseb=hypotenuse×cos(10)\cos(\theta) = \frac{\text{adjacent}}{\text{hypotenuse}} \quad \Rightarrow \quad b = \text{hypotenuse} \times \cos(10^\circ)

I'll calculate these values now.The values of the sides are:

  • a2.9520a \approx 2.9520
  • b16.7417b \approx 16.7417

Would you like more details or have any questions?

Here are some related questions for further exploration:

  1. How would the values of aa and bb change if the angle increased to 20°?
  2. How does changing the length of the hypotenuse affect the values of aa and bb?
  3. Can you use tangent to calculate either side in this problem?
  4. What is the relationship between sine and cosine for complementary angles in this context?
  5. How would you solve this problem using the Pythagorean theorem after finding one side?

Tip: When solving right triangles, always check if you can use the sine, cosine, or tangent based on the information provided.

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Math Problem Analysis

Mathematical Concepts

Trigonometry
Right Triangle Properties

Formulas

sin(θ) = opposite/hypotenuse
cos(θ) = adjacent/hypotenuse

Theorems

Trigonometric Ratios

Suitable Grade Level

High School