a) a square has 4 right angles and all 4 sides are the same lengths
b) not sure, I'll edit later when and if I know
c) isosceles triangle
Answer:
try doing pythagoras theory of a×a+b×b=c×c
2: 12.75
3: 13.0
4: 13.25
3: 13.5
0: 13.75
0: 14.0
