radii
6.DERIVING A FORMULA FOR NUCLEAR RADII IN THE RELATIVISTIC THOMAS-FERMI APPROXIMATION
7.The plane area bounded by such an arc and two perpendicular radii.
8.British Armour Command Truck and Field Support Truck have their sight radii tuned.
9.The area enclosed by two radii at a45= angle and the intersected arc.
10.a plane figure bounded by two radii and the included arc of a circle.

