## Glossary of Adam's Math flashcards

### Deck Info

#### Description

#### Tags

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- Protractor
- am instrument used to measure the size of an angle

- Degree
- a unit of measure for angles

- acute angle
- angle measuring less that 90*

- right angle
- angle measuring more that 90*

- obtuse angle
- measures greater than 90* and less than 180*

- straight angle
- measures 180*

- polygon
- a plane closed figure formed by a line segment

- line segment
- a part of a line that has two points

- equallateral triangle
- a triangle with all sides the same length

- isoceles triangle
- a triangle with two side the same length

- right triangle
- triangle with one right angle

- obtuse triangle
- triangle with one angle greater that 90*

- quadrilateral
- a polygon with four sides

- square
- polygon with four equal sides

- rectangle
- opposite sides are parallel and the same length and had four right angles

- parallelagram
- two pairs of parellel sides

- rhombus
- two pairs of parallel sides

all sides are the same length

- trapezoid
- only one pair of parallel sides