Vocab Terms Flashcards
0
Q
Line
A
one-dimensional
1
Q
Line
A
Has no dimensions, only position
2
Q
Plane
A
two-dimensional
3
Q
Solid
A
three-dimensional
5
Q
Triangle
A
3-sided shape
6
Q
Quadrilateral (tetragon)
A
4-sided shape
7
Q
Pentagon
A
5-sided shape
8
Q
Hexagon
A
6-sided shape
9
Q
Heptagon (septagon)
A
7-sided shape
10
Q
Octagon
A
8-sided shape
11
Q
Acute angle
A
an angle that is less than 90°
12
Q
Right angle
A
an angle that is 90° exactly
13
Q
Obtuse angle
A
an angle that is greater than 90° but less than 180°
14
Q
Straight angle
A
an angle that is 180° exactly
15
Q
Reflex angle
A
an angle that is greater than 180°