Question

lesson 7: triangles classifying triangles by side length an equilateral triangle has ______ a. no sides equal in length b. no equal angles c. two sides equal in length d. all three sides the same length

Explanation:

An equilateral triangle is defined as a triangle where all three sides are of equal length. Option A describes a scalene triangle, Option B is incorrect as an equilateral triangle has three equal angles (each 60°), and Option C describes an isosceles triangle. So the correct option is D.

Answer:

D. all three sides the same length