The sum of two angles is 180 ° and if one angle is obtuse, then the other one will be ___.
If two angles are complements of each other then each angle is
(a) an acute angle
(b) an obtuse angle
(c) a right angle
(d) a reflex angle
If one angle of a triangle is greater than the sum of the other two, show that the triangle is obtuse angled.
Question 11 If the sum of two angles is greater than 180∘, then which of the following is not possible for the two angles? a) One obtuse angle and one acute angle b) One reflex angle and one acute angle c) Two obtuse angles d) Two right angles