2nd and 3rd question with explanation
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cutegirl69:
Hi Navya
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in 2nd only we want 1 side painted
solution =1) left side and down side four cubes of red because only their one side is visible and painted. 4+4=8
2)take down side and back side four cubes of yellow .4+4=8
3)take left and back side four cubes of green .4+4=8
now add all 8+8+8=24
in 3rd we want 2 side painted
solution is all 8 sides of cube connected to each other
solution =1) left side and down side four cubes of red because only their one side is visible and painted. 4+4=8
2)take down side and back side four cubes of yellow .4+4=8
3)take left and back side four cubes of green .4+4=8
now add all 8+8+8=24
in 3rd we want 2 side painted
solution is all 8 sides of cube connected to each other
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