Types of Triangles & Angles in a Triangle

Front

Type of triangle:

Back

Isosceles

Front

Type of triangle: scalene, acute, equilateral, isosceles

Back

scalene

Front

Angle measuring 90 degrees.

Back

right

Front

Acute Angle

Back

< 90°

Front

Angle type shown:

Back

Right

Front

Type of angle pictured?

Back

Acute

Front

Angle type shown:

Back

Obtuse

Front

Type of triangle pictured?

Back

Right Isosceles Triangle

Front

Type of triangle:

Back

Equilateral Triangle

Front

Missing angle measure: 90°, 10°, 130°, 50°

Back

50°