Circles

What is the formula for circumference of a circle given the diameter?

• C = π r
• C = 2 π r
• C = π d
• C = 2 π d

Tags

CCSS.7.G.B.4

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

• diameter
• radius
• π
• center

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

A line that intersects a circle at exactly one point

• secant
• circle
• chord
• tangent

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

The circumference of a circle is

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

Tags

CCSS.HSG.GMD.A.1

A line segment on the interior of a circle with endpoints on the circle

• Radius
• Diameter
• Secant
• Chord

Tags

CCSS.HSG.C.A.2

A line that passes through a circle

• Secant
• Tangent
• Chord
• Radius

Tags

CCSS.HSG.C.A.4

What is the formula for area of a circle given the radius?

• A = πr²

• A = 2πr²

• A = π + r²

• A = π x d