Yo sup??
a.Just draw any triangle which has its sides as 3x,4x and 5x where x is any variable.
if x=1 we get the given triangle ie 3,4 and 5
if x=2 we get a similar triangle ie 6,8 and 10
if x=3 we get another similar triangle and so on.
b.Sam will be correct when all the 3 sides of the two triangles are also equal whereas Delaney will always be correct in the rest of the possible cases.
Hope this helps
