Classifications by side length or comparison of angles and sides:
scalene - no sides or angles equal
isosceles - two sides and angles equal (congruent)
equilateral - all sides and angles equal (all 60° angles)
Classifications by included angles :
right triangle - contains a 90° angle (right angle)
oblique triangle - has no right angle
acute triangle - contains all angles less than 90°
obtuse triangle - contains one angle greater than 90°
An octogon contains 6 equilateral triangles.
scalene triangles
6-2 = 4 triangles
8-2 = 6 triangles
Because all other polygons are made from triangles as for example an 8 sided octagon has 6 triangles within it or a 6 sided hexagon has 4 triangles within it.
What is the names of all the triangles?
Five. They are:Tetrahedron (4 triangles)Cube (6 squares)Octahedron (8 triangles)Dodecahedron (12 pentagons)Icosahedron (20 triangles).
An octogon contains 6 equilateral triangles.
scalene triangles
Acute, equilateral, isosceles, obtuse, right angle, scalene are all names of different types of triangles.
There are six triangles in an octagon. In any convex polygon, there are two less triangles than the number of sides. So a octagon which has 8 sides, contains 6 triangles.
There are 6 triangles in an 8 sided octagon
There are 6 triangles in an octagon
6 Triangles!!
Join the 6 triangles like pizza slices
Equilateral, Isosceles and Scalene.
Squares and polygons. DumbA**