AREA puzzle Crossword

a four-sided figure with four straight sides.
A 4-sided flat shape with straight sides where opposite sides are parallel.
The surface a solid object stands on, or the bottom line of a shape such as a triangle or rectangle.
A line that is at a right angle (90°) to another line.
Two shapes are ___________ when you can Turn, Flip and/or Slide one so it fits exactly on the other.
When two lines or sides are always the same distance apart and never touching.
A 4-sided flat shape with straight sides that has a pair of opposite sides parallel.
A 3-sided polygon (a flat shape with straight sides).
having all its sides of the same length.
The vertical distance from top to bottom
A measurement of length in one direction.
The size of a surface.