Geometry flashcards 11/18 Preview

Freshman > Geometry flashcards 11/18 > Flashcards

Flashcards in Geometry flashcards 11/18 Deck (27)
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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

15
Q

Scalene triangle

A

A triangle with congruent sides

16
Q

Quadrilateral

A

A four-sided figure

17
Q

Trapezoid

A

A quad with a pair of paralleled sides

18
Q

Parallelogram

A

A quad with opposite parallel sides

19
Q

Rectangle

A

A quad with opposite sides parallel (and congruent) and four right angles

20
Q

Rhombus

A

A quad with opposite sides parallel tall sides congruent

21
Q

Square

A

A quad with opposite sides parallel, 4 right angles, and all sides congruent

22
Q

Pentagon

A

Five sided figure

23
Q

Hexagon

A

6 sided figure

24
Q

Septagon

A

A 7 sided figure

25
Q

Octagon

A

An 8 sided figure

26
Q

Decagon

A

A 10 sided figure