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.
One answer is triangle
equilateral square or triangle
A scalene triangle is one example.
4
triangle
a traingle can not have no sides, then it wouldnlt be a triangle, as far as i know, all 2d dimensional shapes have at least 3 SIDES, a shape with no sides isn't a shape, its nothing ness A scalene triangle- All sides are different
A right angled triangle.
A right angle triangle
a trignal has 3 sides is it trilateral other wise it depends on the angles and sides eg a acute angle triangle, a equalateral triangle, a scalene triangle
One
4 sides
A triangle has three sides.