Related Clues

• Distance on a radar screen
• The "r" of "pi r squared"
• Figure that's squared in a common formula
• Center-to-perimeter line
• Half a diameter
• Bicycle spoke, for example
• Ulna's neighbor
• Circle part
• What r can mean, in geometry
• Line in a circle
• Half measure
• Arm bone
• Circle spoke
• Line segment
• Forearm bone
• Circle stat
• Circle measurement
• Bicycle spoke, e.g.
• Range of operations
• Wheel spoke, essentially