Question

complete this sentence with the best of the choices given. if a triangle is equilateral, then it is also _________. after you pick your answer press go. a. scalene b. a right triangle c. obtuse d. congruent e. equiangular

Explanation:

Step1: Recall triangle properties

An equilateral triangle has all sides equal.

Step2: Analyze angle - side relationship

By the angle - side relationship in triangles, if all sides are equal, all angles are equal (each angle is 60°). A triangle with all angles equal is equiangular.

Step3: Eliminate other options

A scalene triangle has all sides of different lengths, so an equilateral triangle can't be scalene. A right - triangle has one 90° angle, an equilateral triangle doesn't. An obtuse - triangle has one angle greater than 90°, not in an equilateral triangle. Congruent is a relation between two or more triangles, not a property of a single triangle in this context.

Answer:

E. equiangular