Question

I feel like i should know this one...
any kind of help is appreciated :)

Answer 1

∠TAC = 70.53°

Explanation:

ABCD is a square: AC = √AB²+BC² = √72

AM = 1/2 AC = √72 / 2 = 3 √2

tan ∠TAC = TM / AM = 12 / 3 √2 = 2.8284

∠TAC = 70.53°