Circles Flashcards
set of all points on a plane that are of the same distance from the centre
Circles
circle symbol
⊙
line segment from the centre to any point of the centre
Radius
plural form of radius
radii
line segment that connects two points on the circle
Chord
longest chord, passes through the centre of the circle
Diameter
line that intersects the circle in two points
Secant
line lying on the same plane that intersects the circle on only one point
Tangent
how to name a tangent
line
how to name a secant
<->
angle whose vertex is at the centre, whose sides are are radii
Central Angle
angle whose vertex is on the circle, whose sides are chords of the circle
Inscribed Angle
angle symbol
∠
arc whose endpoints are on each sides of an angle and all the other points on the arc are in the interior of the angle
Intercepted Arc
distance around the circle
Circumference