Vocab Flashcards
3
Triangle
4
Quadrilateral
5
Pentagon
6
Hexagon
7
Heptagon
8
Octagon
9
Nonagon
10
Decagon
12
Dodecagon
Regular polygon
Sided polygon in which the sided are all the same length
Parallelogram
A 4 sided plane rectilinear figure with opposite sides parallel
Square
4 equal straight sides and 4 right angles
Rectangle
4 straight sides and 4 right angles
Rhombus
A parallelogram with opposite equal acute angles opposite equal obtuse angles 4 equal sides
Trapezoid
A quadrilateral wi tn only one pair of parallel sides
Circle
A set of points that are all the same distance from a fixed point called the center
Chord
A segment that connects Any 2 points on the circle
Diameter
A segment that connects 2 points on the circle and goes through the center point
Radius
Segment that connects the center point to any point on the circle
Secant
Line that intersects a circle at 2 diff points
Tangent
Line that intersects a circle in exactly 1 point
Central angle
Is a angle whose vertex is the center of the circle in diff points
Arc
Created by 2 sides of an angle in a circle
Major arc
Has a measure of greater than 180°
Minor arc
Has a measure of less than 180°
Semi circle
Has a measure of exactly 180°
Inscribe angle
Is a angles vertex is an a circle and both rays go through the circle