Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
Central angles are __________ to their opposite arc
|
equal
|
|
Inscribed angles are ______ the opposite arc
|
one half of
|
|
radii and tangents are
|
perpendicular
|
|
tangent-secant angles are
|
half their opposite arc
|
|
an inscribed triangle angle measure=s
|
90 degrees
|
|
opposite angles in an inscribed quadrilateral are
|
supplementary
|
|
any central angle is equal to the average of
|
its adjacent arc and the adjacent arc of itsvertical angle
|
|
IF TWO SECANTS starting from the same exterior point create an angle, it is equal to
|
the two numbers subtracted and divided by two
|
|
if two tangents going to a circle are from the same exterior point, then they are
|
congruent
|
|
When a diameter is perpendicular to a chord, it
|
cuts the arc and the segment in half
|
|
if two chords are equal,
|
the two arcs that correspond from those are equal
|
|
arc length formula
|
circumference x (angle meas. / 360)
|