Question
PSLE
Vaidev stacked 10 unit cubes and glued them together to form the solid shown. He painted the whole solid, including the base, red. How many of the 10 cubes had exactly two of their faces painted red?
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PSLE
Vaidev stacked 10 unit cubes and glued them together to form the solid shown. He painted the whole solid, including the base, red. How many of the 10 cubes had exactly two of their faces painted red?