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

asked Mar 5, 2023 226k views

25 votes

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

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9 votes

Answer:

594

Explanation:

A=πrl+πr²

(22/7×9×12)+(22/7×9²)

=594

Wilkas answered Mar 11, 2023

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