Answer:
15
Step-by-step explanation:
Step-by-step explanation: I believe that's the answer because the hypotenuse in a 30 60 90 is x2 and 15x2=30
A
E.
Because
30+20=50
and
30-20 = 10
The Answer is B.
<em><u>------</u></em>
<em><u>Hope this Helps!</u></em>