Lines that will never touch
Parallel Lines
an angle less than 90 degree
acute angle
number of lines of symmetry in an equilateral triangle
3
shape with three angles and three sides
triangle
letters that aren't vowels are called
consonants
Lines that meet at a point
Intersecting lines
an angle more than 180 degrees
reflex angle
number of lines of symmetry in a square
4
shape with four sides and four angles
quadrilateral
only bird that can fly backwards
hummingbird
Lines that meet and create a 90 degree angle
Perpendicular Lines
an angle bigger than 90 degrees but less than 180 degrees
number of lines of symmetry in a rectangle
2
shape with five sides and five angles
continent that has the south pole
Antartica
True or False: Triangles can have parallel lines
False
angles that add up to 90
complementary angles
number of lines of symmetry in a parallelogram
0
shape with six sides and six angles
hexagon
about how many people in the world
8 billion
Number of pairs of parallel lines in an octogon
4 pairs
angles that add up to 180 degrees
supplementary angles
number of lines of symmetry in a circle
infinite
shape with 10 sides and 10 angles
decagon
smallest state in the US
Rhode Island