Circles Unit Review

If the circumference of a circle is 22 π ft, what is the radius?

• 22 ft
• 11ft
• π ft
• no ft

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.4

CCSS.HSA.REI.B.3

CCSS.HSG.GMD.A.1

A line  that intersects a circle at exactly one point is a ____________.

• tangent
• secant
• chord
• radius

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Which best describes line AB?

• chord
• secant
• tangent
• diameter

What best describes segment AB?

• chord
• secant
• tangent
• diameter

Tags

CCSS.HSG.C.A.2

What is the part of the circle highlighted in red called?

• semi-circle arc
• major arc
• minor arc
• sector

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

What is the part of the circle highlighted in red called?

• semi-circle arc
• major arc
• minor arc
• sector

Tags

CCSS.HSG.C.B.5

An angle whose vertex lies on the circle and whose sides are chords of the circle

• inscribed angle 
• central angle
• arc
• radius

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3

An angle whose vertex is the center of a circle

• central angle
• inscribed angle
• minor arc
• major arc

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

In the equation (x+2)²+(y-3)²=4, the radius of the circle is...

• 4
• 2
• 3
• 16

Tags

CCSS.HSG.GPE.A.1

What is the center of a circle with equation (x-4)² + y² = 5?

• (-4, 0)
• (4, 0)
• (4, 1)
• (-4, 1)

Tags

CCSS.HSG.GPE.A.1