26 POINTS WILL GIVE BRAINLIEST
2.	Do the sides 16, 30, and 38 form a Pythagorean Triple?  Explain why or why not.
3.	 A triangle has sides of length 10, 14, and 22.  Is the triangle acute, right, or obtuse.  Explain.
12.	 A person can see the top of a building at an angle of 42˚.  The person is standing 30 ft away from the building and has an eye level of 6 ft.  How tall is the building to the nearest tenth of a foot?