Types of Angles
Scalene Triangle
a triangle with no two sides of equal length
Isosceles Triangle
a triangle with two equal sides
degrees
a unit for measuring angles
Acute triangle
all angles are less than 90 degrees
obtuse angle
angle that is >90 degrees and <180 degrees.
straight angle
angle that measures exactly 180 degrees.
right angle
angle that measures exactly 90 degrees.
acute angle
angles whose measure is >0 degrees and <90 degrees
Right Triangle
has a right angle (90 degree)
Obtuse triangle
has an angle more than 90 degree
Equilateral Triangle
triangle with three equal sides
vertex
A point where two or more straight lines meet.
congruent angles
Angles that have the same measure