Polygons
Define a polygon
- Closed shape
- Line segments
- Vertices
- Flat Surface
What is an angle?
An angle is formed by two rays that share an endpoint.
Name the shape with 3 sides and angles.
Triangle
Lines that cross or meet are called __________.
Intersecting Lines
Describe a Quadrilateral
- 4 lines
- 4 sides
Each line segment in a polygon is a _______.
Side
What is the plural form of a vertex?
Vertices
What are polygons with 4 sides and 4 angles called?
Quadrilaterals
Lines that never cross or meet, and are always the same distance apart are ____________.
Parallel Lines
Describe a Trapezoid
At least 1 pair of opposite sides that are parallel lengths of sides could be the same.
Polygons are (always or never) open shapes.
Never!
Besides a Right Angle, angles can also be ________.
- Greater than a right angle
- Less than a right angle
Name the shape with 5 sides and 5 angles.
Pentagon
Intersecting lines that cross or meet to form a right angle are ____________.
Perpendicular
How many opposite sides that are parallel does a Square have?
2
Is a circle a polygon?
NO!
A right angle is an angle that forms a _______ corner.
Square
The shape with 6 sides and 6 angles is called a ______.
Hexagon
These lines are: l l
Parallel
How many sides that are equal of length does a Rhombus have?
4
NO!
How many right angles does a square have?
4
Name the shape with 10 sides and 10 angles.
Decagon
Name this line: X
Intersecting
How many pairs of opposite sides that are parallel does a Rectangle have?
2