Geometry flashcards 11/18
0
Q
Ray
A
Has 1 endpoint
1
Q
Line
A
Has no endpoints
2
Q
Segment
A
2 endpoints
3
Q
Angle
A
2 rays with a common endpoint
4
Q
Congruent
A
Same size and same shape
5
Q
Acute angle
A
Measures less than 90°
6
Q
Right angle
A
Measures 90°
7
Q
Obtuse angle
A
Measures between 90° and 180°
8
Q
Complimentary
A
Angle that adds up to 90°
9
Q
Supplementary angles
A
Angles that add up to 180°
10
Q
Parallel lines
A
Lines that never cross
11
Q
Perpendicular lines
A
Lines that intersect and form 4 right angles
12
Q
Polygon
A
A simple closed figure who’s sides are segments
13
Q
Equilateral triangle
A
A triangle w/ three congruent sides
14
Q
Isosceles triangle
A
A triangle w/ at least two congruent sides