Chapter 10 Review Circles

What is the measure of ∠JKI ?

• 100°

• 50°

• 52°

• 78°

Tags

CCSS.HSG.C.A.2

What is the measure of arc AB?

• 140°

• 142°

• 180°

• 153°

Tags

CCSS.HSG.C.B.5

Find the radius r.

• r=22.5

• r=25

• r=20

• r=12

Tags

CCSS.HSG.C.A.2

Find the value of x.

• x=5

• x=2.5

• x=4

• x=2

Tags

CCSS.HSG.C.A.2

Mathematical Equivalence

ON

Tags

CCSS.HSG.C.A.2

Point B is a point of tangency. Find the radius r of circle C.

Mathematical Equivalence

ON

Tags

CCSS.HSG.C.A.2

Identify the given arc NM.

• major arc

• minor arc

• semicircle

In  a circle, if a radius or diameter is perpendicular to a chord, then it (a)   the chord and its arc.

• equals

• bisects

• arcs

• circles

Find the value of x.

Mathematical Equivalence

ON

Tags

CCSS.HSG.C.A.2

In a circle (or congruent circles), chords that are the same distance from the center:

• are similar

• have the same name

• are congruent to each other

• are walking dead

Tags

CCSS.HSG.C.A.2