What is the answer here please. Brainliest to those who answer

Answer:
B. [tex] {b}^{2} + {c}^{2} = {a}^{2} [/tex]
Step-by-step explanation:
In the given right triangle, a represents hypotenuse and b and c represents the perpendicular legs.
Therefore by Pythagoras theorem:
[tex] {b}^{2} + {c}^{2} = {a}^{2} [/tex]