7.2 Class work

7.2 Class work

Multiple Choice

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.

Multiple Choice

Name a semicircle.

• AD

• ABC

• BA

• ABD

Multiple Choice

Which is true of a minor arc?

• It forms half a circle.

• It forms a whole circle.

• It measures less than 180 degrees.

Multiple Select

Name any minor arcs.

• AD

• ADB

• AB

• BD

Multiple Choice

Find arc KL

• 21 degrees

• 159 degrees

• 201 degrees

• 339 degrees

Multiple Choice

What is the measure of ∠PTQ?

• 100°
• 140°
• 180°
• 120°

Multiple Choice

Find arc FCD

• 90 degrees

• 124 degrees

• 236 degrees

• 304 degrees

Multiple Choice

What is the measure of the central angel x?

• x = 160

• x = 40

• x = 80

• x = 360

Inscribed Angles are half of their arc

or

Arcs subtended by inscribed angles are twice as big as the inscribed angle

Inscribed angles

•  $\angle ADB$  would be 38 degrees                             (half as big)

• arc DC would be 90 degrees                                  (twice as big)

Multiple Choice

What is angle ACB?

• 40 degrees

• 80 degrees

• 60 degrees

• 30 degrees

Multiple Choice

What is the m∠U?

• 38⁰

• 19⁰

• 76⁰

• 90⁰

Multiple Choice

Solve for x

• 51 degrees

• 61 degrees

• 102 degrees

• 204 degrees

Multiple Choice

Find the measure of the ?

• 98˚

• 140˚

• 122˚

• 100˚

Multiple Choice

Find the measure of the ?

• 48˚

• 110˚

• 122˚

• 84˚

Multiple Choice

What is the measure of angle A?

• 34°

• 180°

• 112°

• 79°

Multiple Choice

Find the value of d.

• 115

• 65

• 96

• 180

Multiple Choice

Find the measure of the central angle (pink angle, one question mark).

• 104 degrees

• 52 degrees

• 128 degrees

• 76 degrees

Multiple Choice

Find the measure of the exterior angle (blue angle, two question marks).

• 104 degrees

• 52 degrees

• 128 degrees

• 76 degrees

Multiple Choice

• 50^o

• 25^o

• 65^o

• 90^o

Multiple Choice

• 13

• 8

• 5

• 10