If a square was to be increased 13.1% on one side and 4.2% on the other. What is the percentage increased in the area?
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+23246 To make the calculations easy, assume that the square is a 1 x 1 square.
If one side is increased by 13.1%, it is now 1.131.
If the adjacent side is increase by 4.2%, it is now 1.042.
To find the area of this rectangle: 1.131 x 1.04 = 1.178502.
The original square had an area of 1, so this new figure is 17.8502% larger.
