Answer:
126
Step-by-step explanation:
21
x 6
___
126
The answer is r=16 you have to square everything
Answer:

Step-by-step explanation:
Hi there!
Midpoint =
where the two endpoints are
and 
Plug in the given information:
Midpoint = (5,3), Endpoint = (5,5)
where
is the other endpoint
Solve for
:

Solve for
:

Therefore, the other endpoint
is
.
I hope this helps!
Answer:
Step-by-step explanation:
x=22.5 degrees