Find a common denominator in the two fractions before you can do anything
Yes similar polygons are are two polygons with the same shape but not the same size
A point is an abstraction to point a location or vertex (intersection of lines). It has no size. Consequently it does not have shape or color or any physical characteristic.
Then the answer is all of the above.
The 3 option
(3,9), (-7,1), (6,12), (-3, -9)
