Three names for a square are:
1) parallelogram because it has 2 pairs of parallel sides.
2) polygon because it is a closed figure with at least 3 sides.
3) quadrilateral because it has 4 sides.
Ratio equivalent to 2:9 is 4:18, 6:27
If you multiply the same number to both numbers, the ratio would always be the same.
Answer = -1/6
Solutions in the picture attached
