Obtuse triangle if that’s what you’re asking
Answer:

Step-by-step explanation:
Use the Pythagorean theorem. 
a and b are the two side lengths
c is the hypotenuse (value across from the right angle)
Plug in the values that you are given.

Solve for x


x=

Answer:
B
Step-by-step explanation:
no need to explain
hope it helps
Answer:

Step-by-step explanation: