semms like 10 not sure
Because the diagonals in a square are at right angles to one another!
Yes.Yes.Yes.Yes.
An octagon has 16 diagonals.
There are 20 diagonals
20 diagonals
8 diagonals
4 diagonals
noNo, the diagonals of a rhombus are perpendicular to each other.Unless the rhombus is regular (and called a square) the diagonals are of different lengths.
The answer depends on their sizes! A small square will have a smaller area but a huge square will have a bigger area. Do the two shapes have equal sides, apothems, diagonals? Also, a square is a regular shape, what about the octagon?
A square or a rectangle
No, they do not.