Answer:
I would say 42 but some of the image is cut off so I may be wrong:))
Step-by-step explanation:
Answer:
do you still need help?
Step-by-step explanation:
Answer: option c.
Step-by-step explanation:
You need to remember the identity:

The inverse of the tangent function is arctangent. You need to use this to calculate the angle "R":
You know that you need to find the measure of "R" and
(which is the opposite side) and
(which is the adjacent side), you can sustitute values into 
Then, you get:

Answer: I think it’s D
Step-by-step explanation:
it’s because 8^2 + 13^2 equals 233 and when square rooted equals 15.26 not 20 so no.
To get your answer you first subtract 10 from 128 which is 118.