Answer:
Step-by-step explanation:
I believe that this is the answer.
Answer:
equilateral: E
scalene: F
isosceles: G
Step-by-step explanation:
equilateral = all sides are equal
scalene = no sides are equal
isosceles = two sides are equal

So, your answer to this problem is
c = 4.
Answer:
x=90 degree
y=30 degree
Step-by-step explanation: