The final step that will prove the length of hypotenuse c, squared that of each leg

Answer:
It's the third choice.
Step-by-step explanation:
c^2 = 2a^2
Take square roots of both sides:
c = √2a
Answer:
It's the third choice.
Step-by-step explanation:
c^2 = 2a^2
Take square roots of both sides:
c = √2a