13- Parts of a Circle

​

Parts of a Circle

​Turn to page 31 of your blue notebook

​You will fill the bottom part of the notes later on in this assignment

​Copy these notes on page 31.

​Use these notes to help you answer the next few questions.

Hotspot

Point to the Radius of the circle.

Hotspot

Point to the Center of the circle.

Hotspot

Point to the Diameter of the circle.

Dropdown

The

Select answer

of a circle is a line segment that cuts the circle in half.

Dropdown

The

Select answer

of a circle is a line segment from the center to a side.

Dropdown

The

Select answer

of a circle is a the exact mid-point of the circle.

​Now copy the bottom part of the notes.

​The notes are zoomed in on the next slide

Math Response

If the diameter of a circle is 10 centimeters, what is the radius of the same circle?

Enter the number only!

Type answer here

Correct Answer: 5

Deg^°

Rad

Math Response

If the diameter of a circle is 22 feet, what is the radius of the same circle?

Enter the number only!

Type answer here

Correct Answer: 11

Deg^°

Rad

Math Response

If the diameter of a circle is 100 inches, what is the radius of the same circle?

Enter the number only!

Type answer here

Correct Answer: 50

Deg^°

Rad

Math Response

If the radius of circle is 2 feet, what is the diameter of the same circle?

Enter the number only!

Type answer here

Correct Answer: 4

Deg^°

Rad

Math Response

If the radius of circle is 22 inches, what is the diameter of the same circle?

Enter the number only!

Type answer here

Correct Answer: 44

Deg^°

Rad

Math Response

If the radius of circle is 50 centimeter, what is the diameter of the same circle?

Enter the number only!

Type answer here

Correct Answer: 100

Deg^°

Rad

Multiple Choice

Which equations best represents the diameter of a circle.

Let the letter d represent diameter and the letter r represent the radius.

• $$d=\frac{1}{2}r$$

• $$d=2r$$

• $$d=r$$

• $$2d=r$$

Multiple Choice

Which equations best represents the radius of a circle.

Let the letter d represent diameter and the letter r represent the radius.

• $$r=d$$

• $$r=2d$$

• $$r=\frac{1}{2}d$$

• $$r=2d$$