A triangle.
A triangle
Triangle is plane with three sides and three angles. The sum of its inside angles is equal to 180 degrees.
It is a polygon
A plane figure with three straight sides and three angles.
A triangle.
A triangle
A three sided closed plane figure (shape) is a triangle.
Triangle is plane with three sides and three angles. The sum of its inside angles is equal to 180 degrees.
It is a polygon
A plane figure with three straight sides and three angles.
A plane figure with eight sides is an octagon.
A polygon.
A triangle whose sides are curved outwards.
If you mean EQUAL sides and angles, than an equilateral triangle.
a figure, esp. a closed plane figure, having three or more, usually straight, sides.
polygon