Answer:
As shown in picture, we have

Hope this helps!
:)
Explanation:
Let say right triangle ABC has A = 90 deg.
=> BC is hypotenuse.
=> BC = AC x BC/AC = AC/(AC/BC) =AC/cosC.
That's the way we've done!
Answer:
Option D (y=0.5x)
Step-by-step explanation:
Y is half of X in each column of the graph
25? I'm honestly not sure. I just think its 25 because of the pattern. Please feel free to correct me if I'm wrong.
Answer: All of the numbers except for 4 is divisible by 90.
Step-by-step explanation: All the numbers beside 4 are divisible by 90 because they can all go into 90 equally.