Split the triangle into a 30-60-90 triangle. Since you have LM from that triangle, you can figure out the other sides. Then, using the leg from that triangle, the one next to it is a 45-45-90 triangle, meaning it's isosceles.
KM = 30 + 10√3
KL = 10√6
(sorry i'm not too sure if my "reasons" for statement/reason is correct)
I believe its B
i hope this helps :)
Answer:
30,340 all you gotta do is add the 2 numbers together
The believe the answer would be D.
The answer would be -3x^2+3 x + 36