1a.   Find the area of a square with side length 4.
1b.   The sides of a rectangle are 2 and 5. Find its area.
2a.   Find the perimeter of a rectangle with side lengths 3 and 9.
2b.   The perimeter of a rectangle is 16, and one of its sides is 5. Find its area.
3a.   The side lengths of a rectangle are 12 and 5. Find its area.
3b.   Find the area of the rectangle.


Answer Key

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