A Square which has been divided up into 24 smaller squares.
You count the inside squares of the figure.
40
70 x 34 = 2380.. every 100 square feet makes 1 square,, so 2380 = 24 squares plus your cuts and ridges & starters,, usually you would figure an extra 2 squares.
square
What solid figure has congruent squares on all six sides
6
A cuboid.
That would be a cube.
cube
a rectangle
A cube is a 3-dimensional figure whose six faces are all squares.
It depends on the configuration of the 100 squares. Different configurations - 1*100 or 2*50 etc will give different perimeters.