To find the hypotenuse of a right-angled triangle, use the Pythagorean theorem. Square the base and the height. Add the two squares, and calculate the square root of the sum of the two squares. You need to know the base and the height of the triangle to complete this task.
Where did aluminum get its name? Aluminum got its name from Sir Humphry Davy, he named it after the Latin word Alumen meaning bitter taste . That is why the element Aluminum is symbolized as Al in when look â¦ ing at the periodic table of elements.
Answers. Best Answer: Aluminum is an accepted variant of aluminium. I can't explain why it's used in the U.S. and Canada, and nowhere else. The IUPAC periodic table actually accepts both spellings, with aluminium being the preferred one that is normally listed.