Given an isosceles triangle with angle equal to , what is the measure of each of the other two angles?
Table of contents
- 0. Review of College Algebra4h 43m
- 1. Measuring Angles40m
- 2. Trigonometric Functions on Right Triangles2h 5m
- 3. Unit Circle1h 19m
- 4. Graphing Trigonometric Functions1h 19m
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations1h 41m
- 6. Trigonometric Identities and More Equations2h 34m
- 7. Non-Right Triangles1h 38m
- 8. Vectors2h 25m
- 9. Polar Equations2h 5m
- 10. Parametric Equations1h 6m
- 11. Graphing Complex Numbers1h 7m
2. Trigonometric Functions on Right Triangles
Solving Right Triangles
Struggling with Trigonometry?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Given a right triangle with one leg measuring units and the hypotenuse measuring units, which of the following is the length of the unknown side rounded to the nearest whole number?
A
units
B
units
C
units
D
units
Verified step by step guidance1
Identify the given elements of the right triangle: one leg is 5 units, and the hypotenuse is 8.6 units.
Recall the Pythagorean theorem, which states that in a right triangle, the square of the hypotenuse (c) equals the sum of the squares of the two legs (a and b): \(c^2 = a^2 + b^2\).
Assign the known values to the formula: let the unknown leg be \(b\), so \$8.6^2 = 5^2 + b^2$.
Rearrange the equation to solve for \(b^2\): \(b^2 = 8.6^2 - 5^2\).
Take the square root of both sides to find \(b\): \(b = \sqrt{8.6^2 - 5^2}\), then round the result to the nearest whole number.
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Solving Right Triangles practice set

