Classifying Polygons
How many sides does a quadrilateral have?
4
What is the name of a triangle with 3 equal sides?
An equilateral triangle
What are two lines that never will intersect (or cross) are called?
Parallel lines
An angle that is 90 degrees is called what term?
A right angle
Geometry
Hexa means...
6
What do you call a triangle with a 90 degree angle?
A right triangle
When two intersecting lines are perpendicular, what angle do they intersect at?
A 90 degree or right angle
An angle that is less than 90 degrees is called what term?
An acute angle
What is the name of Ms. Mary's classroom stuffie?
Baby Snow.
How many sides does a pentagon have?
5
What do you call a triangle with all three angles less than 90 degrees?
An acute triangle
What is the difference between a line and a line segment?
A line continues in both directions forever, while a line segment ends at two points
An obtuse angle is between 90 and 180 degrees.
A shape with four equal sides and four right angles is called a ________________.
A square
A kite
How many equal sides does an isosceles triangle have?
2 equal sides
What do you call a line that ends at one point, but continues in the other direction forever? This is usually shown with one dot at an end and an arrow at the other.
A ray
How many degrees are in a straight angle?
180 degrees
Where does Mr. John recommend we take our breaks this week?
How many pairs of parallel lines does a trapezoid have?
One pair of parallel lines
What is the classification for a triangle with one angle larger than 90 degrees (but less than 180 degrees) and no equal sides?
An obtuse scalene triangle.
A rectangle has how many pairs of parallel lines?
Two pairs of parallel lines
What is the angle a measurement of?
The measurement space between two lines or line segments.
To be a polygon, a shape must: (3 things)
be closed
have straight lines
have at least 3 sides