sarah5707
02.02.2020 •
Mathematics
Carmen has 18 connecting cubes. she wants to model a house shaped like a rectangle. if the model has a height of one connecting cube, how many different ways can carmen model the house using all 18 connecting cubes?
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Ответ:
1×18
2×9
3×6
so 3 separate ways
Ответ:
height = trapezoid area / ((sum of the bases) ÷ 2)
height = 43.5 / ((6 + 8.5) / 2)
height = 43.5 / ((14.5) / 2)
height = 43.5 / (7.5)
height = 6 centimeters
Source:
http://www.1728.org/quadtrap.htm