Triangle QRS is a right triangle with angle Q equal to and angle R equal to . What is the measure of the obtuse angle in triangle QRS?
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
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
A right triangle has legs measuring ft and ft. What is the length of the hypotenuse of the triangle?
A
ft
B
ft
C
ft
D
ft
Verified step by step guidance1
Identify the given sides of the right triangle: the legs are 26 ft and 34 ft.
Recall the Pythagorean theorem, which states that in a right triangle, the square of the hypotenuse (c) is equal to the sum of the squares of the legs (a and b): \(c^2 = a^2 + b^2\).
Substitute the given leg lengths into the formula: \(c^2 = 26^2 + 34^2\).
Calculate the squares of the legs: \$26^2 = 676\( and \)34^2 = 1156$.
Add these values to find \(c^2\): \(c^2 = 676 + 1156\), then take the square root of the sum to find the length of the hypotenuse \(c = \sqrt{676 + 1156}\).
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