Geometry Unit 14 Notebook Check

What is the name of the central angle on your vocab page with the definitions

• < AOC

• < ABC

• < ABO

• < BCO

What is the formula for the measure of an inscribed angle given the intercepted arc?

• m<1 = a/2

• m<1 = 2a

• m<1 = a/3

• m<1 = 3a

What is the measure of angle 2 in the last practice problem on page 2?

If 2 chords intersect in a circle, then the angle is half the ___ of their arcs.

What is the measure of the arc in the second example problem on page 3?

What types of lines will intersect outside of the circle to create an exterior angle? (page 4)

• 2 secant lines

• 2 tangent lines

• secant & tangent

• chords

Set up the difference of the two arcs in the second example problem on page 4 (2 tangent lines)

What is the measure of the minor arc in the last example on page 4?

What is the formula for arc length?

• angle/360 * 2πr

• 360/angle * 2πr

• angle * 2πr/360

• Angle/360 * πr^2

What is the area of the 110 degree sector on page 5?

• 44.5 cm

• 4.19 m

• 423.33 mm^2

• 9.08 in^2