Use the Pythagorean Theorem to find the length of the leg. Round to the nearest tenth, if necessary.
a2 + b2 = c2
62 + b2 = 102
36 + b2 = 100
b2 = 64
Take the square root of both sides and you get:
b = 8
I have to say that you asked too many questions.
most of the questions u asked can be easily solved by using a simple google search or a Calculator.
+208 
