To find out if the triangle is a right triangle, we must check if the following equation is true:

on the left side, we have:

and on the right side, we have:

since on both sides we get 625, we have that the brace forms a right triangle.
I'm not sure
Step-by-step explanation:
Which ever on is on the whole side of the side of the decimal...or in other words, what ever number is on the left side of the decimal
Answer:
306
Step-by-step explanation:
mark brainliest :)