Related Clues:

• The bones of broadcasting unit briefly close to his heart
• Arm reinforcements organising raid to capture island
• Variables in (pi)r^2 and 2(pi)r
• Almost set one, maybe two bones?
• Some area factors
• Straight lines from the centre to the perimeter of a circle
• Halves of a diameter
• Broadcast medium mostly one that’s a spokesperson’s business?
• Human bones
• Bones set, unfinished before seventh of operations
• Most coins have them
• Straight sides of sectors
• Bones next to ulnae
• Segments of geometry
• Pizza slices?