Answer:
i dont know what your asking
Step-by-step explanation:
we know that
in the right triangle ABC
the value of cosine of angle x is equal to

we have

substitute the values

Find the measure of angle x

Round to the nearest whole degree

therefore
<u>the answer is</u>

3 and 1 half is also known as 3.5,
3.5 x 3.5 = 12.25
in fractions that is 12 and 1 quarter