Rewriting a number in radians in degrees using the conversion ratio

Rewriting a number in radians in degrees using the conversion ratio

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to convert angles from radians to degrees using a conversion ratio. It emphasizes that the measures are equivalent but in different units. The process involves multiplying by 180 degrees over π to eliminate π and convert to degrees. An example calculation is provided, demonstrating the conversion of 12π/5 radians to 432 degrees. The tutorial concludes with a note on further learning about angle conversions.

Read more

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main idea behind using conversion ratios for angles?

To change the actual measure of the angle

To make the angle larger

To make the angle smaller

To express the angle in different units without changing its measure

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula used to convert radians to degrees?

Multiply by 180/π

Multiply by π/360

Multiply by π/180

Multiply by 360/π

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the π when using the division property in the conversion process?

It divides to one

It remains unchanged

It doubles

It becomes zero

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example provided, what is the degree equivalent of 12π/5 radians?

540 degrees

180 degrees

432 degrees

360 degrees

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many times does 5 go into 180 during the conversion calculation?

16 times

20 times

12 times

36 times