Rhombus.
If the figure has only four sides all together, then it's not possible for all four angles to be acute.
A rhombus is a shape having two acute angles and four equal sides.
Rhombus ; Internal 2 acute and two obtuse angles; four sides of equal length, opposite sides are parallel. Rectangle ; Internal angles are all 90 degrees(right angles), opposite sides of equal length and parallel. Adjacent sides are of different length.
A Square has four equal length sides
Impossible.
it is a square because a square has four side and four right angels
It is a triangle.
It is a square
Square
square
A square has four sides of equal length!
Parallelogram