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.
| Filed Under: Language Leave a Comment. Aluminum is the most abundant metal in the Earthâs crust where it is principally found in combination with bauxite. In 1808 when the English scientist Sir Humphry Davy (1778-1829) was figuring out how to isolate aluminum, he first called it alumium.n 1812, though, he renamed the metal aluminum, which is how it is still known in North America. That same year, however, the British decided the metal should be called aluminium to conform to the ending of most other related elements that end in ium such as sodium, potassium, et cetera.