math
posted by Rosie .
Name the shape. Plane shapes.
It does not have 4 sides. all of it sides are equal. All of its angles are acute.

Equilateral triangle

rectagle

Isaac, a rectangle has:
4 sides
they aren't all equal unless it's a square
4 90 degree angles, none acute.
How did you come up with rectangle? It doesn't fit ANY of the descriptions.