All of them.When I was a kid, I found it incredibly hard to create a right-angle triangle.
1 Another Answer: 5 different types which are scalene, obtuse, right angle, isosceles and equilateral
There are 3 triangles in a pentagon
5 triangles.
There are an infinite number of triangles with different shapes that all have the same area.
Infinitely many.
one
1 Another Answer: 5 different types which are scalene, obtuse, right angle, isosceles and equilateral
4
There are 3 triangles in a pentagon
you can make 76 different triangles on a 3x3 grid
Infinitely many.
Infinitely many.
Many different types, but mostly equilateral triangles.
17
5 triangles.
There are an infinite number of triangles with different shapes that all have the same area.
Five. They are:Tetrahedron (4 triangles)Cube (6 squares)Octahedron (8 triangles)Dodecahedron (12 pentagons)Icosahedron (20 triangles).