Triangles can be classified into different shapes.
Equilateral ; All sides the same length ; all angles equal 60 degrees.
Isosceles ; Two sides the same length ; two angles equal size.
Right-Angled ; Three sides can be of different lengths ; MUST have one right-angle.
Scalene ; All sides of different lengths ; all angles of different size.
Common 2-dimensioanal characteristics for ALL triangles. ; -
They contain three(3) sides
They contain three(angles)
The internal angles ALWAYS sum to 180 degrees.
A triangle may also be named a TRIGON ; A polygon of three sides.
NB Triangles drawn on a 3-dimensional surface ( sphere ), the above characteristics can vary.
Triangles are equilateral triangles only when all of their 3 sides are equal in lengths.
Yes. But not all isosceles triangles are equilateral.
No. For it to be equilateral it can't be a right triangle.
Two equilateral triangles are always similar!
An octogon contains 6 equilateral triangles.
All isosceles triangles are not equilateral triangles
All isosceles triangles are not equilateral triangles
Yes all equilateral triangles are acute triangles, but not all acute triangle are equilateral triangles.
Triangles are equilateral triangles only when all of their 3 sides are equal in lengths.
Yes. But not all isosceles triangles are equilateral.
Yes all equilateral triangles are acute triangles, but not all acute triangle are equilateral triangles.
No. For it to be equilateral it can't be a right triangle.
Two equilateral triangles are always similar!
Equilateral triangle
An octogon contains 6 equilateral triangles.
no they can be isosceles but not equilateral
No, some early musical triangles were isosceles triangles, most modern musical triangles are equilateral.