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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)
