An acute angle
The supplement of an 80 degree angle is an 100 degree angle.
78 degree angle
a 10-degree angle
66 degree angle
15 degrees. A bisected 60 degree angle makes 2 30 degree angles by definition of an angle bisector, then a 30 degree angle makes 2 15 degree angles by definition of an angle bisector.
Its supplementary angle is 121 degrees
59 degree
cosine(59 degrees) = 0.51504 (rounded)
A 12 degree angle is an acute angle.
A 59-degree angle is classified as an acute angle because it measures less than 90 degrees. Acute angles are characterized by their sharpness and are commonly found in various geometric shapes and figures.
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.
it is an acute angle.
A reflex angle
An obtuse angle.
Reflex
An obtuse angle