If each triangle below is drawn accurately, identify whether it is an obtuse, acute, or right triangle. Name the angle or angles that helped you to decide. Homework Help ✎
Examine all three angles of the triangle.
Are any of the angles greater than, less than, or equal to 90°?
Angle C is greater than 90°, so this figure is an obtuse triangle.
What does the box on angle Y mean?
The box means that the angle at that point is a right angle.
How can you identify this triangle?
Since all the angles are less than 90°, the figure is an acute triangle.