Question 11
Candace glues 25 white cubes into the arch shown and paints all surfaces red, except the bottom. How many unit cube faces are painted?
Interpretation note: the supplied answer excludes every downward-facing face, including the underside of the bridge. Use that source convention for this multiple-choice question. The alternative ground-contact interpretation is explained in the solution.
Interpretation note: the supplied answer excludes every downward-facing face, including the underside of the bridge. Use that source convention for this multiple-choice question. The alternative ground-contact interpretation is explained in the solution.