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Understanding Angles and Radians

Understanding Angles and Radians

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial introduces the concept of unit circles and explains how to calculate their circumference. It introduces radians as a new way to measure angles, explaining the conversion from degrees to radians. The tutorial covers half revolutions, right angles, and the concept of one radian, providing a comprehensive understanding of these geometric concepts.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the degree measure of a full revolution?

270 degrees

180 degrees

90 degrees

360 degrees

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a unit circle, what is the length of the radius?

2 units

1 unit

3 units

0.5 units

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the circumference of a unit circle calculated?

2π units

π units

4π units

π/2 units

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the radian measure of a full revolution?

π/2 radians

3π radians

π radians

2π radians

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many degrees are in a half revolution?

90 degrees

180 degrees

270 degrees

360 degrees

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the radian measure of a half revolution?

π radians

2π radians

π/2 radians

3π/2 radians

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the degree measure of a right angle?

45 degrees

90 degrees

180 degrees

270 degrees

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