60 degrees,, by 30-60-60 theorem
In the above figure, AB, CD, EF and GH are straight lines passing through a single point. Find the value of angle x+y+w+z.
Angle EFH is 55 degrees
Angle ACD is 37 degrees
Angle GHF is 85 degrees
If in the following image angle ABC is 110 then what would be the angle AOC?
x + 1/x = 1
x^(1729) + x^(-1729) = ?