a sheet of paper
Real life is a real life example!
In building construction, you usually have one horizontal plane (that floors) that is intersected by a vertical plane (the walls or support beams).
a Television is a real life example of a Cube A dice is a real life example of a cube
Cytpolasm is an example of cytoplasm in real life: it does exist.
The Military
a sheet of paper
doesn't exist in reality
two planes next to each other
Real life is a real life example!
In building construction, you usually have one horizontal plane (that floors) that is intersected by a vertical plane (the walls or support beams).
a Television is a real life example of a Cube A dice is a real life example of a cube
A wheelchair ramp is a real life example of an inclined plane. It allows individuals in wheelchairs to move between different elevations with less effort than a direct vertical ascent. The ramp's incline reduces the force needed to push the wheelchair up an otherwise steep slope.
a real life example of an octagon is a stop sign.
A real life example of a cliff are the white cliffs of Dover.
A real life example is the chloroplasts found in plant cells.
A pennant is a real life example of an isosceles triangle.