An acute triangle is a triangle in which all three angles measure less than 90 degrees. If any angle measures 90 or more degrees, we no longer have an acute triangle.
In this exercise we have a triangle which is the same thing as saying that it is a triangle that has 3 equal angles.
A triangle is known as an acute triangle when all three of its angles are acute, that is, less than 90°.
In other words is the same as triangle in which all three angles measure less than 90 degrees.
See more about triangles at brainly.com/question/25813512
