Answer:
C. diameter 7 cm
There are 2.54 cm in an inch, so the allowed diameter is
... 2 3/4 × 2.54 cm = 6.985 cm
The allowed length is
... 42 × 2.54 cm = 106.68 cm = 1.0668 m
The bat that would not be allowed is ...
... C diameter 7 cm
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