4. Geometry The surface area of a cone is approximated by the polynomial 3.14r²+3.14rl, where r is the radius and l is the slant height. Find the approximate surface area of a cone when l = 5 cm and r

4. Geometry The surface area of a cone is approximated by the polynomial

3.14r²+3.14rl, where r is the radius and l is the slant height. Find the approximate
surface area of a cone when l = 5 cm and r = 3 cm.

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