Learn how to convert a negative angle in radians to degrees

Learn how to convert a negative angle in radians to degrees

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to convert an angle from radians to degrees. It begins by introducing the conversion factor of 180 degrees over π and demonstrates the process of multiplying the given angle by this factor. The tutorial also covers handling negative signs during conversion and concludes with the final calculation, resulting in the angle in degrees.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the conversion factor used to change radians into degrees?

90 degrees over π

180 degrees over π

360 degrees over π

270 degrees over π

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When converting radians to degrees, what should you do with the negative sign?

Ignore it completely

Convert it to a positive sign

Place it in the denominator

Keep it in front or attach it to the numerator or denominator

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the π in the numerator and denominator during simplification?

It remains in the final answer

It cancels out

It doubles

It is squared

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After simplifying the expression, what is the next step to find the degree measure?

Divide the remaining number by 3

Subtract 90 from the result

Add 180 to the result

Multiply by 2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final degree measure when converting -2π/3 radians?

-90 degrees

-60 degrees

-120 degrees

-150 degrees