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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

tangentsecant 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)
