A triangle as no other 2d shape can have 3 sides.
A triangle
An equilateral triangle.
A triangle with a circular base
2d rectangle has 4 sides.
A triangle as no other 2d shape can have 3 sides.
A triangle
One answer is triangle
An equilateral triangle.
equilateral square or triangle
A scalene triangle is one example.
A triangle with a circular base
2d rectangle has 4 sides.
1 Face (2D) 4 Faces (3D) 3 Sides 3 Points, and 2 Congruent sides.
4
triangle
2D - the triangle 3D - the tetrahedron (i.e. it has a triangle on each side and there are 4 sides.