lines angles Flashcards
1
Q
undefined terms
A
Point,line,plane
2
Q
Angles
A
Straight angle, right angle, acute angle, obtuse angle
3
Q
Collinear points all lie in the same _____
A
Line
4
Q
Congruent
A
Same measure
5
Q
A triangle with at least two equal length
A
Isosceles triangle
6
Q
An angel equal to 180° degrees
A
Straight angle
7
Q
Formed by two rays with the same end point
A
Angle
8
Q
Part of a line that has two endpoints
A
Line segment
9
Q
An angel that measures less than 90° degrees
A
Acute angle
10
Q
Lines on a plane that never intersect
A
Parallel lines
11
Q
—
A
Line segment
12
Q
An angel that is exactly 90° degrees
A
Right angel
13
Q
An exact in space represented by a dot
A
Point
14
Q
A flat surface made up of a continuous and unending collection of points
A
Plane
15
Q
Two angles whose measure have a sum of 90°
A
Complimentary angels
