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Radian Measure

Radian Measure

Assessment

Flashcard

•

Mathematics

•

11th Grade

•

Practice Problem

•

Hard

Created by

Wayground Content

FREE Resource

Student preview

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15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the definition of a radian?

Back

A radian is the angle subtended at the center of a circle by an arc whose length is equal to the radius of the circle.

2.

FLASHCARD QUESTION

Front

How many radians are in a full circle?

Back

There are 2π radians in a full circle.

3.

FLASHCARD QUESTION

Front

What is the relationship between degrees and radians?

Back

To convert degrees to radians, multiply by π180\frac{\pi}{180} . To convert radians to degrees, multiply by 180π\frac{180}{\pi} .

4.

FLASHCARD QUESTION

Front

What is the radian measure of 90 degrees?

Back

90 degrees is equal to π2\frac{\pi}{2} radians.

5.

FLASHCARD QUESTION

Front

Convert 180 degrees to radians.

Back

180 degrees is equal to π\pi radians.

6.

FLASHCARD QUESTION

Front

What is the radian measure of 45 degrees?

Back

45 degrees is equal to π4\frac{\pi}{4} radians.

7.

FLASHCARD QUESTION

Front

Convert π3\frac{\pi}{3} radians to degrees.

Back

π3\frac{\pi}{3} radians is equal to 60 degrees.

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