Circles - radius, diameter, circumference, area

What is the definition of a circumference of a circle?

• The distance from the center of a circle to the outer edge.

• The total distance around a circle.

• The total area inside of the circle.

• Two squares squeezed together to make a circle.

Tags

CCSS.HSG.GMD.A.1

CCSS.HSG.C.B.5

What is the definition of the radius of a circle?

• The distance from point a to point b.

• The distance around the circle.

• The distance from the center of a circle to the circumference.

• The distance from one side of a circle to the other side through the center.

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CCSS.HSG.CO.A.1

The distance from one side of a circle passing through the center to the other side of the circle is the

Draw the radius of a circle.

Tags

CCSS.4.G.A.1

Write the formula for the circumference of a circle.

Tags

CCSS.7.G.B.4

Write the formula for the diameter of a circle.

Tags

CCSS.7.G.B.4

Write both formulas for the radius of a circle.

Tags

CCSS.7.G.B.4

The region enclosed by a circles circumference is called the

Tags

CCSS.HSG.GMD.A.1

Write the formula for the area of a circle.

Tags

CCSS.7.G.B.4

What is the diameter of a circle if the radius is 10?

• 15

• 5

• 20

• 30

Tags

CCSS.7.G.B.4