Answer:

Step-by-step explanation:
We can apply Pythagoras' Theorem.

The correct answer would be the first one
Answer:
82 is the answer to the question
Answer:
16
Step-by-step explanation:
Pemdas is the order of operations
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
We have an 180 degree line, so lets solve.
180 - 39 = 141
n = 141 degrees
Answer: N = 141<span>°</span>