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A real life example of a triangle would be the shape of a sail on a sailboat, where three sides meet at corners to form a triangle.
An acute angle can be found in the shape of a corner in a room, where two walls meet to form an angle that measures less than 90 degrees.
an acute triangle is a triangle that has?
If two angle bisectors of a triangle are congruent, then the triangle is isosceles. This is because the angle bisectors of a triangle are concurrent and the angle bisectors of a triangle that are congruent divide the opposite sides of the triangle into two equal segments. So if two angle bisectors are congruent, the sides opposite those angles are also equal, making the triangle isosceles.
An acute triangle is a triangle in which all three angles are less than 90 degrees.
Actually, the orthocenter of a triangle is the point where the three altitudes of the triangle intersect. The altitudes are perpendicular lines drawn from each vertex to the opposite side. The angle bisectors of a triangle intersect at the incenter, not the orthocenter.