Question

Plssss helpppppp:c uhhhh

Answer 1

42

Explanation:

a^2 + b^2 = c^2

40^2 + b^2 = 58^2

1600 + b^2 = 3364

subtract 1600 from both sides

b^2 = 1764

square root both sides

b = 42

Answer 2

b = 42, have a good day and holiday!