Circles

The distance across a circle through the center is called the_______________.

• radius
• circumference
• diameter
• area

The distance around a circle; much like the perimeter of a rectangle.

• perimeter
• diameter
• circumference
• radius

The _____ is the distance from the center to any point on the circle.

• diameter
• radius
• π
• center

The distance across a circle through its center is called the _____.

• diameter
• radius
• π
• center

The perimeter of a circle is called the _________

• Radius

• Diameter

• Circumference

• Area

The space inside a 2D object is called it's

• area

• perimeter

• polygon

• room

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

What is the Radius of this circle?

• 18

• 24

• 9

• 54

What is the area of a circle?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

Find the area of the circle

• 56.52 sq. inches

• 254.34 sq. inches

• 1017.36 sq. inches

• 113.04 sq. inches