Diagonals 3580

Cube edge length 5cm. Draw different diagonals.

Correct answer:

n =  3

Step-by-step explanation:

a=5 cm d1=2 a=2 5=5 2 cm7.0711 cm d2=3 a=3 5=5 3 cm8.6603 cm  n=3

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Showing 1 comment:
3?  Each of the top four vertices has a distinct diagonal to the lower opposite vertex. To Me that says 4. They all intersect at a single point, so there will be 4+4+1=9 red 'balls' as there are.  The diagonals make a 5, 5.sqrt(2), 5*sqrt(3) right angled triangle, so the length is 5*sqrt(3)

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