ABC is a right triangle, so by Pythagoras' theorem,

Then by the law of sines,


Answer:
what do you need?
Step-by-step explanation:
Answer:
https://www.map.mathshell.org/download.php?fileid=1714
Step-by-step explanation:
Go to that website and it should tell you about everything
Answer:
They are b and c.
Step-by-step explanation:
Let's simplify each expression:
a. b+2 (b+2b)
= b + 2b + 4b = 7b.
b. 3b + b = 4b.
c. 2(2b) = 2 * 2b = 4b.
Answer:
6
Step-by-step explanation: