Given the task definition and input, reply with output. In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.

passage: An acute triangle is a triangle with all three angles acute (less than 90). An obtuse triangle is one with one obtuse angle (greater than 90) and two acute angles. Since a triangle's angles must sum to 180, no triangle can have more than one obtuse angle.
question: a triangle with one obtuse angle must have two acute angles?
Yes