Circle formulas and definitions

The distance halfway across the circle is called the...

• radius
• diameter
• circumference
• area

Tags

CCSS.HSG.C.A.2

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

• radius
• diameter
• circumference
• area

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

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

• radius
• diameter
• circumference
• area

Tags

CCSS.4.MD.C.5

The distance all the way across the circle is called the...

• radius
• diameter
• circumference
• area

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

• radius
• diameter
• circumference
• area

Tags

CCSS.HSG.GMD.A.1

The space contained inside of a circle is called the...

• radius
• diameter
• circumference
• area

Tags

CCSS.HSG.GMD.A.1

If you multiply π × d then you will get the...

• radius
• diameter
• circumference
• area

Tags

CCSS.7.G.B.4

If you multiply π × r × r  then you will get the...

• radius
• diameter
• circumference
• area

Tags

CCSS.7.G.B.4

If you multiply 2 × r  then you will get the...

• radius
• diameter
• circumference
• area

Tags

CCSS.7.G.B.4

If a circle has a radius of 10 ft. 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.

Tags

CCSS.7.G.B.4