Which expression represents the area of the base of the cone?

A cone with diameter of 6 inches, height of 4 inches, and slant height of 5 inches.
B = pi r squared

(pi) (3 squared)
(pi) (4 squared)
(pi) (5 squared)
(pi) (6 squared)

Which expression represents the area of the base of the cone A cone with diameter of 6 inches height of 4 inches and slant height of 5 inches B pi r squared pi class=