Circles and Angles

The longer of the two arcs between two points on a circle

• Major arc

• Minor arc

• Arc

• Circles

Tags

CCSS.HSG.C.B.5

The distance around a circle

• Diameter

• Radius

• Circumference

• Area

How do I find the circumference of a circle?

• C=r^2

• C=pi

• C=2pi*r

• C=pi*d

Tags

CCSS.7.G.B.4

How do we name a minor arc?

• With 2 endpoints

• With the two endpoints and another middle point

Name the major arc

• BC

• BCD

• CD

• AB

Which number best represents a tangent?

• 3

• 4

• 5

• 6

inscribed angle: an angle with its vertex _____________ the circle

• at the center of

• on

Tags

CCSS.HSG.CO.C.9

Q1. What is the relationship between a secant and a circle?

• A) secant

• B) chord

• C) tangent line

• D) diameter

Use chords to solve for x

• x = 3 cm

• x = 4 cm

• x = 5 cm

• x = 6 cm

Tags

CCSS.HSG.C.A.2

What is the measure of angle ABC?

• 90

• 180

• 45

• 80

Tags

CCSS.HSG.C.A.2