Your Answer Is....
A) Acute, C) Equilateral, And D) Isosceles.
Why?
Acute = All Sides Less Than 90°. Equilateral = All Sides The Same. Isosceles = 2 Or 3 Sides The Same. Therefore, A, C, And D Are Your Answers.
≈≈≈≈ Glad I Could Help, And Good Luck! ≈≈≈≈
My Name: AnonymousGiantsFan