9514 1404 393
Answer:
1 -√2
Step-by-step explanation:

tan(7π/8) = 1 -√2
General formula for circles at the origin is x^2+y^2=R^2 where R is the radius.So R^2=4225. Solve for R.
Answer:
1.) The correct answer is A.
2.) The correct answer is C.
3.) The correct answer is B.
4.) The correct answer is A.
5.) The correct answer is B.
Step-by-step explanation:
A number less than three would be 1 or 2.