Circle Vocabulary Quiz

Formula for area of a circle

• A = πr²

• A = 2πr

• A = πr

• A = r²/2

Tags

CCSS.HSG.GMD.A.1

There is a proportional relationship between the diameter and circumference of any circle. We use a symbol to represent this relationship.

• pi(π)

• e

• phi(φ)

• i

Tags

CCSS.HSG.GMD.A.1

All the points that are the same distance from a given point.

• Circle

• Square

• Triangle

• Rectangle

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CCSS.HSG.GPE.A.1

CCSS.HSG.C.A.2

CCSS.HSG.C.A.1

Formula for the circumference of a circle.

• C = πxd

• C = 2πr

• C = πr^2

• C = 2r

Tags

CCSS.HSG.GMD.A.1

The point that is equal distance from the points on the edge.

• Center

• Edge

• Corner

• Vertex

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CCSS.HSG.GPE.A.1

CCSS.HSG.CO.A.1

A line segment that goes from the center to the edge of a circle.

• Radius

• Diameter

• Circumference

• Chord

Tags

CCSS.HSG.GPE.A.1

CCSS.HSG.C.A.2

The distance around the circle (outside).

• Circumference

• Diameter

• Radius

• Area

Tags

CCSS.HSG.GMD.A.1

A line segment that goes from one edge of a circle to the other and passes through the center.

• Diameter

• Radius

• Chord

• Tangent

The space occupied by the circle (inside).

• Area

• Circumference

• Diameter

• Radius

Tags

CCSS.HSG.GMD.A.1

Simply refrain from substituting pi's numerical value for its symbol in the equation.

• In terms of Pi

• Using Pi's approximate value

• Without using Pi

• By ignoring Pi