What is the missing reason for line 4 in this proof?

B. reflexive property of  ≅

Step-by-step explanation:

Edge

what i would say the best answer is a. 40.5

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c