Circles & Pi

The radius of a circle is _______________________.

• The measurement from the center of a circle to an edge of the circle.
• The measurement around the circle
• The measurement from and edge of the circle to another edge through the center
• A line perpendicular to the diameter of the circle

The diameter of a circle is ______________________

• The measurement around the circle.
• The distance from an edge to another edge.
• The distance from the center to an edge of a circle
• The distance from an edge to another edge through the center. 

A segment that has one endpoint at the center and the other endpoint on the circle is the __________.

• diameter
• chord
• radius
• secant

Tags

CCSS.HSG.C.A.2

The perimeter of a circle is usually called the...

• radius
• diameter
• circumference
• area

Tags

CCSS.HSG.GMD.A.1

The distance all the way around the circle is called the _________________. 

• radius
• diameter
• circumference
• area

The distance all the way across the circle through the center is called the ______________________.

• radius
• diameter
• circumference
• area

Tags

CCSS.4.MD.C.5

The distance from the center of the circle to any point on the circle is called the ____________. 

• radius
• diameter
• circumference
• area

If a circle has a diameter of 10 feet then which statement is true?

• The radius is 5 ft. 
•  The diameter is 5 ft.
• The radius is 20 ft.
• The diameter is 20 ft.

The distance halfway across the circle is called the ____________________. 

• radius
• diameter
• circumference
• area

What is a shape called with no edges?

• Square
• Rectangle
• Trapezoid
• Circle