Question

all the faces of cube of side 9 cm with same colour is cut into cubical blocks each of side 3 cm what is the number of cubes with three faces painted
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Answer 1

Answer:

number of cubes with 3 painted sides are 8

Step-by-step explanation:

only the corners have 3 painted faces ,edges have 2 painted faces,centers have 1 painted face

hence ,

number of corners=number of 3 painted faced cubes=8