3 years ago

PLS HELP, I will mark u brainliest if u help me! first person gets it right and does it first.

Mathematics

1 answer:

Vilka [71]3 years ago

7 0

For a 4 by 4 cube, he needs 4 rows 4 high for 16 cubes in each row.

The back row is 3 x 4 = 12, so he needs 4 more for the back row,

The 3rd row he has 8, so needs 8 more.

The 2nd row he has 4 so needs 12 more,

The first row he has 2 so will need 14 more.

Total needed: 4 + 8 + 12 + 14 = 38 more cubes.

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