B is the right answer because a is too short and c and d are too long
The answer is 51. hope that helped
We have to use Pythagorean theorem that says :

The missing length of the triangle is : 36 feet
Answer:
I pretty sure the answer is <u>A</u><u>S</u><u>A</u>, I hope it's right!
It can either be the negative sign of the number by the x so it should either be 2 or -