Find the x when the longest side of triangle is 2

Step-by-step explanation:

Here , since we have a right triangle then using the Pythagorean theorem is valid choice.

therefore , x² + x² = 2² ⇔ 2x² = 4 ⇔ x² = 2 ⇔ x = √(2)

i wanna say option C

Step-by-step explanation:

Because it says she saved 55.15 and the price of the gutiar is 220.16 before the discount so i think the answer is C hope it helps if so mark me brainleist pls