Question

What is the effect on the area of a rectangle if the dimensions are doubled?

Answer 1

Let x be the length and y be the width of a rectangle.
Area = xy

When x and y are doubled
Length = 2x and Width = 2y
Area = 2x x 2y
Area = 4xy

-------------------------------------------------------------------------------------------------
Answer: When the dimension is doubled, the area is 4 times the original.
-------------------------------------------------------------------------------------------------