Classify the Angles
Types of Triangles (pictures)
Types of Angles
Name that Polygon
Types of Triangles
100
Angles that are greater than 90 degrees
Obtuse Angles
100
Name this triangle based on it's sides.
Equilateral
100
acute angle
100
Polygons with four sides and four angles
quadrilateral
100
Triangles that have all sides equal
equilateral
200
Angles that are smaller than 90 degrees
Acute Angles
200
Name this triangle based on it's sides.
Isosceles
200
obtuse angle
200
Polygons with three sides and three angles
triangle
200
Triangles that have NO equal sides
scalene triangle
300
Angles that are equal to 90 degrees
90 degree angle
300
Name this triangle based on it's angles.
Right triangle
300
Which angle has exactly 90 degrees.
right angle
300
Polygons with five sides and five angles
pentagon
300
Triangles that have two equal sides
isosceles
400
Which angle is represented by the corner of a sheet of paper?
right angle
400
What type of triangle has 1 angle that is greater than 90 degrees?
Obtuse triangle
400
An angle that is 172 degrees is an _________ angle.
obtuse
400
Polygons with six sides and six angles
hexagon
400
Triangles that have three angles less than 90 degrees
acute triangle
500
An angle that is 57 degrees would be classified as what type of angle?
acute angle
500
Name this triangle based on it's angles.
acute triangle
500
An angle that is 89 degrees is a ___________ angle.
acute
500
Polygons with eight sides and eight angles
octogon
500
Triangles that have one angle greater than 90 degrees
obtuse triangle