Answer:
1. yes
2. no
Explanation:
1. Yes.
since all our sides are the same, it doesn't matter which is the shorter or longer
a+a > 2a for all lengths a>0, since lengths of triangles can only be positive and greater than 0
equilateral triangles exist for a reason
2. no
a triangle will have exactly 180 degrees, no less, no more
30+70+110 >180