Answer :
Applying the cosine ratio, the value of Cos(Z) is: C. 12/13.
How to Find the Cosine Ratio of an Angle?
In a right triangle, the cosine ratio is given as, cos ∅ = adjacent length/hypotenuse length.
Similar triangles will have the same ratios, therefore:
Cos(Z) = cos(C) = adjacent/hypotenuse = 12/13
The value of Cos(Z) is: C. 12/13
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