Question

Complete each statement with the words always, sometimes or never.

If a triangle is isosceles then it is equilateral.

Short answer

If a triangle is isosceles, then it is sometimes equilateral.

Step-by-step solution

Step 1. Types of Triangles

Triangles are of three types if length of the sides is taken into consideration, that is, scalene triangle, isosceles triangle, and equilateral triangle.

Step 2. State the explanation

Isosceles triangle has at least two congruent sides whereas an equilateral triangle have all congruent sides.

Step 3. Conclusion

If a triangle is isosceles, then it is sometimes equilateral.