Answer:
Option A
Step-by-step explanation:
Step 1: Determine which option is correct
Option A: It makes sense because an equiangular triangles always has 60 degree angles and all sides are the same. Therefore, it is both an acute and equilateral triangle.
Option B: It doesn't make sense because a right triangle cannot be an acute. Also right triangles are not equilateral.
Option C: It doesn't make sense because it only has two equal sides not three. All equilateral triangles are isosceles but not all isosceles triangles are equilateral.
Answer: Option A
