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.
From as far back as 1787, scientists had hypothesized the existence of an unknown base metal in alum. While not quite the man who discovered aluminum, British chemist and inventor Sir Humphry Davy, can be credited for naming it (first as âalumiumâ before being given its current designation) in 1808.