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math circle vocab
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Gravity
Terms in this set (14)
concentric circles
Circles that have the same center,
but different radii
congruent circles
circles that have the same radius
diameter
a segment that connects two points on the circle that passes through the center
radius
a segment that connects the center to a point on the circle
chord
a segment that connects any 2 points on a circle on the inside
secant
a line that connects any two points on a circle that goes outside
point of tangencey
A line that intersects the circle at one and only one
point, called the point of tangency, and does not go inside the circle
central angle
an angle whos sides are radii (center of the vertex)
inscribed angle
an angle whos sides are chords
major arc
a piece of the circle that is more than half
minor arc
a piece of the circle that is less than half
semi circle
a piece of the circle that is equal to half
inscribed polygon (circumscribed circle)
all the verticals of the polygon lie on the circle (polygon inside circle)
circumscribed polygon (inscribed circle)
the circle is tangent to all sides of the polygon (circle inside polygon)
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