Answer:
8
Step-by-step explanation:
Use the pythagorean theorem. The hypotenuse (c) is 10, and one of the sides, let's say (b), is 6. Therefore, we need to solve for a and plug and chug. Let's do that:


Now let's plug in what we know:

Therefore, a = x = 8
Answer:
A,B,D are true C is false
1.) bass unit for mass is gram
2.) largest distance is kilometer
3.) smallest prefix is Milli
4.) centimeter because it measures length
5.) The standard unit that is used for each type of measurement