Triangles
The shape that has three sides
Triangle
List the four types of angles
Straight, Obtuse, Right, Acute
a triangle having all sides of equal lengths and all angles of equal measures
equilateral triangle
Two or more angles whose sum is 90
complementary angles
a triangle having two sides of equal length
isosceles triangle
the space between two rays that share an endpoint
angle
A triangle having no equal sides or angles
Scalene
two congruent angles formed on opposite sides of the intersection point of two lines, segments, or rays
vertical angles
What do all angles of a triangle add up to
180
The shared endpoint of the two rays in an angle
vertex