59 degree
cosine(59 degrees) = 0.51504 (rounded)
90 - 31 = 59 degree
An angle greater than 90 degree is an obtuse angle.
A right angle
An acute angle
Its supplementary angle is 121 degrees
59 degree
cosine(59 degrees) = 0.51504 (rounded)
90 - 31 = 59 degree
Complementary angles consist of 2 angles that add up to 90 degrees; so the complimentary angle to a 31 degree angle is a 59 degree angle.
An angle greater than 90 degree is an obtuse angle.
An acute angle
A right angle
Acute angle
A right angle
complete angle