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Four identical rectangular floor tiles and a square floor tile with a side length of 60cm are laid into one side Four identical rectangular floor tiles and a square floor tile with a side length of 60cm are laid into a large square with a side length of 80cm, and the length sum of the rectangular floor tiles is determined
80 minus 60 divided by 2 is the width of a rectangle,
(80-60) ÷ 2 = 10 (width of rectangle),
60 + 10 = 70 (length of rectangle)
What is the area of a single rectangle
70 × 10 = 700 (area)
What is the sum of the individual side lengths
70+10=80
No more units
The key is the arrangement of the five quadrangles. The middle is a small square, and the four rectangles are staggered and arranged around the square. You can draw
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