Circles- Radius, Diameter, Area, Circumference

Which letter represents the area of a circle? (a)  

• A
• B
• C
• D

The correct definition for the area of a circle is

• The outside of a circle.

• The line the goes through the center of a circle, dividing it in half.

• The space or region a circle occupies.

• The line that goes from the center of the circle to a point on the circle (edge).

The correct definition for the circumference of a circle is

• The outside of a circle.

• The line the goes through the center of a circle, dividing it in half.

• The space or region a circle occupies.

• The line that goes from the center of the circle to a point on the circle (edge).

The correct definition for the radius of a circle is

• The outside of a circle.

• The line the goes through the center of a circle, dividing it in half.

• The space or region a circle occupies.

• The line that goes from the center of the circle to a point on the circle (edge).

The correct definition for the diameter of a circle is

• The outside of a circle.

• The line the goes through the center of a circle, dividing it in half.

• The space or region a circle occupies.

• The line that goes from the center of the circle to a point on the circle (edge).

Which letter represents the center of a circle?

• A

• B

• C

• D

Which letter represents the radius of a circle?

• A

• B

• C

• D

Which letter represents the diameter of a circle?

• A

• B

• E

• D

Which letter represents the circumference of a circle?

• A

• B

• E

• D

What is the radius and diameter of this circle?

• r= 11 d=22

• r= 22 d=11

• r= 22 d=44

• r= 44 d= 22