an acute angle because it is less than 90 degrees!!
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1.269
sec(27) = 1.1223, approx.
It is: 116 degrees
sec 45o = cosec 45o = √2 ≈ 1.414
The sum of a triangle's angles must always equal 180, so 54+62=116. 180-116=64. The third angle is a 64 degree angle.