Open Middle®
Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to make the statement true. The composite figure is made of a rectangular prism and a rectangular pyramid; the base for each is congruent. All dimensions must be greater than zero.
Hint
Think about what dimensions produce integer calculations.
Answer
There are many possible solutions. Some examples include:
l=3 w=2 h1=5 h2=9 v=48
l=3 w=7 h1=5 h2=9 v=168
l=3 w=2 h1=10 h2=9 v=78
l=3 w=2 h1=5 h2=9 v=48
l=3 w=7 h1=5 h2=9 v=168
l=3 w=2 h1=10 h2=9 v=78
Source: Jedidiah Butler