Unit 8 Review: Circles

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

• tangent
• secant
• chord
• radius

What best describes segment AB?

• chord
• secant
• tangent
• diameter

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

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

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

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

Solve for x. 

• 5
• 20
• 40
• 85

Tags

CCSS.HSG.C.A.2

Find the length of the arc.

• 31.42cm

• 15.71cm

• 282.74cm

• 23.56cm

Tags

CCSS.HSG.C.B.5

What is the area of the shaded sector of Circle A?

• 23 in²

• 21 in²

Tags

CCSS.HSG.C.B.5

Which is true of a minor arc?

• It forms half a circle.
• It forms a whole circle.
• It measures greater than 180 degrees. 
• It measures less than 180 degrees.

Tags

CCSS.HSG.C.B.5

Which is true of a major arc?

• Forms half a circle.
• Forms a whole circle.
• Measures greater than 180 degrees.
• Measures less than 180 degrees.

What is the measure of ∠PTQ?

• 100°

• 140°

• 180°

• 120°

Tags

CCSS.HSG.C.A.2