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.
The word 'Elder' comes from the Anglo-Saxon word aeld. In Anglo-Saxon days we find the tree called Eldrun, which becomes Hyldor and Hyllantree in the fourteenth century. One of its names in modern German - Hollunder - is clearly derived from the same origin. In Low-Saxon, the name appears as Ellhorn.