90 - 68 ie 22 degrees
The third angle is 68 degrees which makes it a scalene triangle
90-22-68
Any two angles whose sum is equal to 90 degrees are called "complementary angles".
An angle of 68 degrees is an acute angle
An angle greater than 90 degree is an obtuse angle.
Complement: 22 Supplement: 112
The cotangent is the reciprocal of the tangent, so simply calculate, on your scientific calculator, 1 / tan(68).
An acute angle
A right angle
A right angle
complete angle