Ch. 10 Second Quiz Flashcards
If a tangent/chord intersects at a point on a circle then…
Perpendicular one
The measure of each angle is 1/2 of the intercepted arc.
The measure of an angle formed by two chords that intersect at the diameter…
Vertical Angles
Is half of the sum of the across arcs
Circumscribed Angle
Angle whose sides are tangent to the circle
Looks like an ice cream cone
Measure of the angle formed by two secants, tangents, or both from an outside point is…
Ice cream cone
Equal to 1/2 of the difference of the intercepted arcs
Central (center)
Same
On
Half
Inside
Half of the sum
Outside
Half of the difference
The measure of a circumscribed angle is equal to…
Ice cream cone cut in half
180 degrees minus the measure of the central angle
Angle + angle = 180
When two chords intersect the inside of the circle…
Spiderman
One part of the chords times the other part of the same chord equals one part of the other chord times the other part of the same chord.
When a secant segment drawn to a circle from an external point..
Sideways ice cream
The whole part of the secant times the outside equals the whole part of the other secant times the outside
Same with tangents