The formula for the lateral surface area of a cone—that’s the surface that isn’t the base—is π × r × sqrt(h² + r²); h is the hei

Question

2 years ago

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The formula for the lateral surface area of a cone—that’s the surface that isn’t the base—is π × r × sqrt(h² + r²); h is the hei

ght of the cone and r is the radius of its base. A circular #2 pencil is 6 mm in diameter, and a pencil sharpener creates a cone-shaped end that is 20 mm in height. Find the surface area of the sharpened part of the pencil.

Mathematics

1 answer:

jek_recluse [69] · Answer 1 · 2022-08-11T01:10:40+03:00

jek_recluse [69]2 years ago

4 0

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