The measure of an angle is . What is the measure of its complementary angle?
Table of contents
- 0. Review of College Algebra4h 45m
- 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
1. Measuring Angles
Complementary and Supplementary Angles
Multiple Choice
If the measure of one angle is , what is the measure of its complementary angle?
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Verified step by step guidance1
Recall that complementary angles are two angles whose measures add up to 90 degrees.
Let the measure of the given angle be \(84^\circ\) and the measure of its complementary angle be \(x\) degrees.
Set up the equation based on the definition of complementary angles: \$84 + x = 90$.
Solve for \(x\) by subtracting 84 from both sides: \(x = 90 - 84\).
Simplify the expression to find the measure of the complementary angle.
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