Brewer Circle Theorems!

Front

This is a picture of ___________.

Back

Inscribed Angle

Front

Which is the correct way to solve this? x=284/2, 284=x/2, x=76/2, 76=x/2

Back

x=76/2

Front

What is this called?

Back

Major Arc

Front

Which is the correct way to solve this? 70=(180+x)/2, 70=(180-x)/2, x=(180+70)/2, x=(180-70)/2

Back

x=(180-70)/2

Front

Lines AO and BO are tangent. What is the measure of BO? 20, 15, 10, 5

Back

10

Front

Define a Major Arc.

Back

A Major Arc is an arc that is larger than a semicircle.

Front

Define a Minor Arc.

Back

A Minor Arc is an arc that is smaller than a semicircle.

Front

What is a Central Angle?

Back

A Central Angle is an angle whose vertex is at the center of the circle and whose sides are radii.

Front

What is an Inscribed Angle?

Back

An Inscribed Angle is an angle formed by two chords in a circle which have a common endpoint.

Front

What is the relationship between an Inscribed Angle and the Arc it intercepts?

Back

The measure of an Inscribed Angle is half the measure of the intercepted Arc.