In AWXY, the measure of ZY=90°, WY = 5, XW = 13, and YX = 12. What ratio represents the cosine of ZW?

Given:

In and .

To find:

The ratio represents the cosine of .

Solution:

In . It means the opposite side of angle Y, i.e., XW is the hypotenuse of the triangle.

In a right angle triangle,

In the given triangle,

Therefore, the required cosine ratio is .

answer: i guess 105 degrees?

step-by-step explanation:

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