What is the name of the axis that goes across the bottom of a grid called?
x axis
What is the name of the axis that runs up and down on a coordinate grid?
y axis
These lines are always the same distance apart, never meet or cross and go in the same direction
parallel line
What type of angle is this angle?

Obtuse
False!
Which polygon has 4 sides?
quadrillateral
What quadrilaterals has two pairs of parallel lines and four equal sides?
rhombus and square
Which quadrilaterals has 2 pairs of parallel sides, and 4 right angles?
rectangle and square
You can classify triangles by their _________ and their ________.
angles and sides
Why are trapezoids not parallelograms?
A trapezoid only has 1 set of parallel lines.
(0,0)
What type of angle is 90 degrees?
right angle
____ is made only of straight line segments,has three or more sides and it is completely closed (no openings)
Polygon
What 3 things makes a polygon, a polygon?
a close figure, 3 or more sides, straight sides
Are all rhombus parallelograms?
Yes
Give an example of a regular polygon
square
what is the name of a 6 sided figure
hexagon
What do we call a triangle that has NO equal sides?
Scalene
What do we call a pair of lines that make 90 degree angles when they cross?
perpendicular lines
Are all parallelograms a rhombus?
No! Not all parallelograms have equal sides.
How is an acute angle different than an right angle?
An acute angle is smaller than a right angle (less than 90 degrees)
What is an equilateral triangle?
equal sides & equal angles
A triangle that has two equal sides and one is not
Isosceles
True or False..A square can be a rectangle?
True!
True or False..a rectangle can be a square?
False