Question 13
Circle the shape with fewer edges.

Self-study input convention (editorial): count all edges of each solid, including hidden dashed edges. Enter the two letter choices in order 1;2, separated by a semicolon.
Input format (editorial): use the letter choices and a semicolon only, with no spaces.

Self-study input convention (editorial): count all edges of each solid, including hidden dashed edges. Enter the two letter choices in order 1;2, separated by a semicolon.
Input format (editorial): use the letter choices and a semicolon only, with no spaces.