4/26 - Radians, Co-terminal, and Reference Angles
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
Wayground Content
FREE Resource
Student preview
15 questions
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1.
FLASHCARD QUESTION
Front
What is a radian?
Back
A radian is a unit of angular measure used in mathematics. It is defined as the angle subtended at the center of a circle by an arc whose length is equal to the radius of the circle.
Tags
CCSS.HSF.TF.A.1
2.
FLASHCARD QUESTION
Front
How do you convert degrees to radians?
Back
Tags
CCSS.HSF.TF.A.1
3.
FLASHCARD QUESTION
Front
What is the formula to find co-terminal angles?
Back
To find co-terminal angles, add or subtract multiples of 360° (or 2π radians) to the given angle.
4.
FLASHCARD QUESTION
Front
What is a reference angle?
Back
A reference angle is the acute angle formed by the terminal side of an angle and the x-axis. It is always positive and less than 90°.
5.
FLASHCARD QUESTION
Front
Convert 180° to radians.
Back
Tags
CCSS.HSF.TF.A.1
6.
FLASHCARD QUESTION
Front
Back
330°.
Tags
CCSS.HSF.TF.A.1
7.
FLASHCARD QUESTION
Front
Convert 150° to radians.
Back
Tags
CCSS.HSF.TF.A.1
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