Tag
Area
Entries tagged area.
3 entries
Concept
Circles, radius, and pi
Every circle's circumference divided by its diameter equals the same fixed number, pi, a ratio fixed by the geometry of flatness rather than by any circle's particular size.
6 min
ConceptLength, area, and volume
Length, area, and volume are all the same operation, counting how many unit pieces tile a shape, applied in one, two, and three dimensions respectively, and every area or volume formula is a shortcut for that count.
7 min
ConceptThe Pythagorean relationship
In any right triangle, the area of the square on the hypotenuse always equals the combined area of the squares on the other two sides, a fact provable by rearranging area rather than by measuring it.
7 min