Question

4. Which one of these is not a type of triangle?

a. Equilateral
b. Scalene
c. Isosceles
d. None of these.

Answer 1

Answer: None of these.


Explanation: Equilateral, scalene, and isosceles are all types of triangles

Answer 2

Answer: D.

Explanation:

Equilateral, scalene, and isosceles are all valid types of triangles.