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sleet_krkn [62]
2 years ago
14

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

Mathematics
1 answer:
Olin [163]2 years ago
4 0

Answer:

594

Step-by-step explanation:

A=πrl+πr²

(22/7×9×12)+(22/7×9²)

=594

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