Question

15. A cone has a radius of 9 cm and slant height of 12 cm. Find its surface area.

A. 593.46 cm²
B. 693.46 cm²
C. 793.46 cm²
D. 893.46 cm²​

Answer 1

594

Explanation:

A=πrl+πr²

(22/7×9×12)+(22/7×9²)

=594