A classmate believes that a triangle can have both a right angle and an obtuse angle. Which of the following statements would yo
u pick to convince him that he is incorrect (a) It is not possible because the sum of the angles in the triangle can’t exceed 180°
(b)It is not possible because if a triangle has an obtuse triangle, that means all the angles are obtuse angles. (c) It is not possible because if a triangle has a right triangle, that means all the angles are right angles (d)It is possible. The classmate is correct
