What is the area of a circle with a radius of 21 feet after a sector of 120° has been removed?
A
115.45 ft.
B
230.91 ft.
C
461.81 ft.
D
923.63 ft.
E
İlgili Sorular
An effective method for moving patients with spinal injuries onto a spine board is known as the ____...The S.S. AMERICAN RANGER has drafts of: FWD 18'-07", AFT 23'-03". Use the white pages of the Stabil...How should the number "5" be pronounced when spoken on the radiotelephone?Generally, the first action in extinguishing an LFG fire caused by escaping gas is to ______________...Class C EPIRBs may be carried on board ________.