Two lines that will never touch
Parallel lines
True or false: A triangle is a quadrilateral
False
Name 5 quadrilaterals (a diamond doesn't count!! use the RIGHT NAME FOR IT!!!)
rectangle, parallelogram, rhombus, square, trapezoid
What are perpendicular lines
Lines that intersect at a 90 degree OR right angle
A triangle with all angles measuring less than 90 degrees
acute triangle
A quadrilateral that has 2 sets of parallel lines and congruent sides
Parallelogram
Define a Ray
It has an endpoint on one end and it goes on forever on the other
Triangles that are the same size and shape
congruent triangles
A triangle with one angle measuring 90 degrees
right triangle
A quadrilateral that has 2 sets of parallel lines, opposite sides are congruent, and 4 right angles
ACD
ADDITIONAL 300 points for the team that can find the error
triangles that have congruent angles and proportional sides
similar triangles
A triangle with no equal sides
scalene triangle
A quadrilateral with two sets of parallel lines, all sides are congruent, and four right angles
a square
C
All angles in every triangle will add up to this number of degrees
What is 180 degrees
A triangle with two equal sides
Isosceles triangle
Quadrilateral with 1 set of parallel lines
Trapezoid