Circle Parts

Front

What is the diameter of a circle?

Back

The diameter is the distance across the circle through its center, equal to twice the radius.

Tags

CCSS.HSG.C.A.2

Front

What is the radius of a circle?

Back

The radius is the distance from the center of the circle to any point on its circumference.

Front

How is the radius related to the diameter?

Back

The radius is half the diameter.

Tags

CCSS.7.G.B.4

Front

What is the formula for the diameter in terms of the radius?

Back

The diameter is twice the radius.

Tags

CCSS.7.G.B.4

Front

What is the circumference of a circle?

Back

Tags

CCSS.7.G.B.4

Front

What is the area of a circle?

Back

Tags

CCSS.7.G.B.4

Front

What does the term 'circumference' refer to?

Back

Circumference refers to the perimeter or boundary line of a circle.

Front

What is the relationship between the diameter and circumference?

Back

The circumference is equal to the diameter multiplied by π (pi).

Tags

CCSS.7.G.B.4

Front

What is π (pi)?

Back

π (pi) is a mathematical constant approximately equal to 3.14, representing the ratio of the circumference of a circle to its diameter.

Tags

CCSS.HSG.GMD.A.1

Front

If the radius of a circle is 5, what is the diameter?

Back

The diameter is 10.

Tags

CCSS.7.G.B.4