The area of a square is 100 square centimeter. If you enlarge it by a ratio of 10:1, what is its area? How to calculate it

Area = 100 × 10 × 10 = 10000 square centimeters

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1. The picture is made up of four identical small squares, each of which is 100 square centimeters. You can draw a square with an area of 80 square centimeters in the picture (1) The picture on the right below is made up of four identical small squares. The area of each small square is 100 square centimeters. Now please draw a square with an area of 80 square centimeters in the picture and explain your method with pictures or words
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