The orthocenter has all of the following properties EXCEPT: It is always located on the inside or perimeter of a triangle O It is found from the intersection of all three altitudes O It is located outside the triangle for obtuse triangles O It is located at the right angle vertex for all right triangles

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Use the Pythagorean Theorem to find the missing side for the right-angled triangle given in the figure below. It has base 112 m and height 15 m. If you would like to enlarge the graph or make numbers and letters easier to read, you may click on it to open it in a new window. You may then enlarge that window with your mouse. To further enlarge the image, use your browser's zoom capabilities. On a PC this is usually ctrl shift + (and zooming out is ctrl -). On an Apple computer this is usually apple shift + (and zooming out is apple -). 15 n 112 n • If you need to use the square root symbol, as in x = V17, type it using: sqrt(17) • Units need to be entered using their standard abbreviations, without a period. For example, type m for meters, m^2 for square meters, etc.

Find each measure to the nearest tenth of a degree using the distance formula and an inverse trigometric ratio. M∠Y in right triangle XYZ with vertices X(4,1), Y(-6,3), and Z(-2,7)