Related Clues:
- Plane measurement
- Atlas spec
- Picnic __
- __ map
- 2-D calculation
- Pi times r squared, for one
- A harvest unfinished in field
- With 32-Across, tourist's reference
- Topic in Euclid's 'Elements'
- World Factbook datum
- Area of a rectangle = length x ___
- Half the radius times the circumference
- Interior designer's statistic
- Bay or gray follower
- Word after work or play