Math Problem Statement

Solve the right triangle. Round side and angle measures to the nearest tenth.

Solution

To solve the given right triangle, we’ll need to find:

  1. mCm \angle C (the measure of angle CC),
  2. ABAB (the hypotenuse), and
  3. BCBC (the adjacent side to angle AA).

Given:

  • A=62\angle A = 62^\circ,
  • AC=10AC = 10 (opposite to A\angle A),
  • B=90\angle B = 90^\circ.

Step 1: Find mCm \angle C

Since A+B+C=180\angle A + \angle B + \angle C = 180^\circ and B=90\angle B = 90^\circ: C=1809062=28\angle C = 180^\circ - 90^\circ - 62^\circ = 28^\circ

Thus, mC28m \angle C \approx 28^\circ

Step 2: Find ABAB (Hypotenuse)

Using the sine function with angle AA: sin(62)=ACAB\sin(62^\circ) = \frac{AC}{AB} Rearrange to solve for ABAB: AB=ACsin(62)=10sin(62)AB = \frac{AC}{\sin(62^\circ)} = \frac{10}{\sin(62^\circ)} Using sin(62)0.8829\sin(62^\circ) \approx 0.8829: AB100.882911.3AB \approx \frac{10}{0.8829} \approx 11.3

Step 3: Find BCBC (Adjacent side to A\angle A)

Using the tangent function with angle AA: tan(62)=ACBC\tan(62^\circ) = \frac{AC}{BC} Rearrange to solve for BCBC: BC=ACtan(62)=10tan(62)BC = \frac{AC}{\tan(62^\circ)} = \frac{10}{\tan(62^\circ)} Using tan(62)1.8807\tan(62^\circ) \approx 1.8807: BC101.88075.3BC \approx \frac{10}{1.8807} \approx 5.3

Summary of the Results

  • mC28m \angle C \approx 28^\circ
  • AB11.3AB \approx 11.3
  • BC5.3BC \approx 5.3

Would you like further details or have any questions about these steps?


Here are 5 related questions to deepen understanding:

  1. How would you calculate the length of ACAC if only ABAB and A\angle A were given?
  2. Can you use the Pythagorean theorem to verify the results for ABAB and BCBC?
  3. What trigonometric function would you use to find BCBC if C\angle C and ABAB were given?
  4. How does rounding affect the accuracy of these results?
  5. What is the relationship between the side lengths and angles in a right triangle?

Tip: Remember that trigonometric functions are very useful in solving right triangles when one angle and one side are known.

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Math Problem Analysis

Mathematical Concepts

Trigonometry
Right Triangles
Angle Sum Property

Formulas

sin(θ) = opposite / hypotenuse
tan(θ) = opposite / adjacent
angle sum in a triangle = 180 degrees

Theorems

Trigonometric Ratios
Angle Sum Property in Triangles

Suitable Grade Level

Grades 9-10