Its base.
Chat with our AI personalities
Its base or adjacent side if it's a right angle triangle.
Yes, though generally speaking the bottom, horizontal side (if any) of a triangle is called its base.
A relevant notion triangle is a triangle where side a is the longest line of a the triangle, the side b is the second longest line from the top of the triangle down to the right side of the triangle. The last line is side c which is the shortest line from the top to the bottom left.
A triangle with five sides is a pyramid. There are four sides that originate from each of the four edges of the bottom square, which is the fifth side.
first draw a triangle, then a rectangle, and lastly draw another triangle on both side of the rectangle... if you want draw a smoke at the bottom.