Kelso - Geometry Chapter 10
Vocabulary for Chapter 10: Area
Terms
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- minor arc
- is smaller than a semicircle.
- height of a triangle
- is the lenght of the altitude to the line containig that base.
- arc lenght
- is a fraction of a circle's circumfrence.
- radius
- is a segment that has one endpoint at the center and the other endpoint of the circle.
- circumference
- the distance around a circle.
- radius of a regular polygon
- is the distance from the circle to a vertex
- congruent circles
- are circles whose radii are congruent.
- geometric probability
- model in which you let points represent outcomes.
- height of a trapezoid
- is the perpendicular distance h between the bases.
- pi
- the ratio of the circumference of any circle to its diameter.
- base of a triangle
- is any of its side.
- adjacent arcs
- arcs of the samecirclethat have exactly one point in common.
- circle
- the set of all points the same distance from a given point.
- central angle
- is an angle whose vertex is the center of the circle .
- congruent arcs
- are arcs that have the same measure and are in the same circle or in congruent circles.
- concentric circles
- circles that lie in the same plane and have the same center.
- apothem
- is the perpendicular distance from the center to a side.
- base of a parallelogram
- is any of its side.
- height of a parallelogram
- is the lenght of an altitude.
- diameter
- is a segment that contains the center of a circle and has bothe endpoints in the circle.
- major arc
- is greater than a semicircle.
- center of a circle
- the middle of a circle.
- altitude of a parallelogram
- is a segment perpendicular to the line containingthat base, drawn from the side opposite the base.