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genyjoannerubiera
11.02.2020 •
Mathematics
If a 10-mm-wide snowflakes shaped like regular hexagons were to tile a 40 mm wide by 30 mm tall area (with slight gaps at the edges), how many snowflakes would there be?
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Ответ:
The number of snowflakes = 4
Step-by-step explanation:
The area of a regular hexagons of wide length a =![\frac{3\sqrt{3}}{2} a^2](/tpl/images/0505/8587/56ce9.png)
if a = 10
∴ Area of the hexagons =
mm²
The area of a 40 mm wide by 30 mm tall = 40*30 = 1200 mm²
∴ The number of snowflakes = 1200/259.81 = 4.6188
Take the integer number.
So, The number of snowflakes = 4
Ответ:
17
Step-by-step explanation:
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