circles

Find the area of the circle with a radius of 3 cm below.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²

Find the area of the circle with a radius of 3 cm below.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²

^{What is the diameter of the circle?}

• 5 in
• 10 in
• 3.14 in
• 15.84 in

What is the radius of this circle?

• 18 in.
• 10 in.
• 9 in.
• 8 in.

The radius is....

• a line that crosses through the center and touches each edge 
• the center point of a circle 
• a line from the center point to the edge of the circle
• an element in science

A line that goes from one end of the circle to the other and crosses the center point is...

• center
• diameter
• dime eater
• radius

What is AB?

• diameter
• center
• circumference
• radius

What is CB?

• diameter
• center
• circumference
• radius

What is C?

• diameter
• center
• circumference
• radius

Find the circumference of a circle with a diameter of 12 mm .

• 37.68 mm
• 18.84 mm
• 75.36 mm
• none of the above