Answer:
ummmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
Step-by-step explanation:
Not necessarily. Triangle ABC could be isosceles. Since the problem gives no further information about the third side, you cannot conclude definitely that ABC is equilateral.
20 questions. Your friend would have to get 12/20 questions right and you would get 11/20 questions right. 12 and 11 don’t have any common denominators so that’s your answer. Hope this helps!