Question

problem 9: (first taught in lesson 29) complete this sentence by selecting always, sometimes, or never. if a triangle is scalene, then it is ________ isosceles. after you pick your answer press go. a. always b. sometimes c. never

Explanation:

Step1: Define scalene triangle

A scalene triangle has no equal - length sides.

Step2: Define isosceles triangle

An isosceles triangle has at least two equal - length sides.

Step3: Analyze the relationship

Since a scalene triangle has no equal sides and an isosceles triangle has at least two equal sides, a scalene triangle can never be isosceles.

Answer:

C. never