Open Middle®
Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to create two possible circles. You may reuse all the digits for each statement.
Hint
How many digits of precision does pi require for this problem?
Answer
There are many possible answers including:
radius = 5 units and the area is between 21 and 678 square units
radius = 9 units and the area is between 87 and 260 square units
radius = 5 units and the area is between 21 and 678 square units
radius = 9 units and the area is between 87 and 260 square units
Source: Robert Kaplinsky
Could you provide further explanation on how to solve this problem? Thank you!