20. Which of the following angle measures CANNOT be the measure of any angle in an obtuse triangle?

(Note: An obtuse triangle is a triangle that has 1 angle with a measure greater than 90° but less than 180°.)

Answer and Explanation

Your Answer is

Correct Answer is J

Explanation

The definition of an obtuse triangle is given in the question stem. An obtuse triangle should have 1 obtuse angle and 2 acute angles, and it is impossible to have a right angle, so J.