22. remember to count the balls you cant see. it is three - TopicsExpress



          

22. remember to count the balls you cant see. it is three IDENTICAL triangles stacked, therefore it is a pyramid. the triangle on the right is 1R, 2O, 2L, 1G, 1 R, 1B, 1O, 1R. the triangle on the left is 1R, i P, 1O, 1B, 1R, 1L, 1R, 1G, 1P, 1R ... with the two triangles SHARING 1R, 1O, 1L, 1R. each of the two triangles you can see have six of their own balls, therefore, so too then, the hidden one. so 6 (hidden) plus 16(visible) equal 22 balls.
Posted on: Sun, 16 Nov 2014 05:21:16 +0000

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