Answer:
i dont know sry for the bother
Step-by-step explanation:
The answer is x=15 hope this is right
Yes, HL would be correct.
This states that if two hypotenuses are congruent (they have the same one)
and if one pair of legs are congruent,
the figure is congruent.
I hope this helps!
~cupcake
The answer is 10 radical 11
