Acute
Angles less than 90 degrees
Isoceles
Triangle with 2 of the same sides
Name the angle:
Acute
Name the triangle:
Acute Scalene
Parallel or perpendicular
Parallel
Right
One 90 degree angle
Scalene
Triangle with no sides that are the same size
Name the angle:
Obtuse
Name the triangle:
Acute Isosceles
Parallel or perpendicular
Perpendicular
Straight
Angle that measures 180 degrees
Equilateral
Triangle that all three sides are the same size
Name the angle:
Right
Name the triangle:
Acute Equilateral
Lines that never intersect
Parallel
Obtuse
Measures more than 90 degrees but less than 180 degrees
Isosceles
Triangle that has 2 sides that are the same size
Name the angle:
Acute
Name the triangle:
Right Isosceles
Lines that intersect to form a right angle
Perpendicular
Acute
Less than 90 degrees but more than 0 degrees
Scalene
Triangle that has no sides that are the same size
Name the angle:
Obtuse
Name the triangle:
Obtuse Scalene
Parallel or perpendicular
Both