Answer:
The answer is option 2.
Step-by-step explanation:
You have to use Cosine Rule, cosθ = adjacent/hypotenuse. Substitute the following value into the formula :
[tex] \cos(θ) = \frac{adj.}{hypo.} [/tex]
Let θ = T,
Let adj = 7.5,
Let hypo = 19.5,
[tex] \cos(T) = \frac{7.5}{19.5} [/tex]
[tex]T = { \cos( \frac{7.5}{19.5} ) }^{ - 1} [/tex]
[tex]T = 67° \: \: (near. \: degree)[/tex]
