A 18.5cm long pencil that has the shape of a regular 6-sided prism with a base edge of 3.5mm, we sharpen one side into the shape of an upright cone with an 18mm side. What percentage of a pencil consist of sharps?

A 18.5cm long pencil that has the shape of a regular 6-sided prism with a base edge of 3.5mm, we sharpen one side into the shape of an upright cone with an 18mm side. What percentage of a pencil consist of sharps?

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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Step 1: The base of the pencil

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Step 2: : Inscribed circle and its specification .

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Step 3: Specification of the tip of the pencil in the shape of cone

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Step 4: Fraction of the pencil consumed as sharped edge

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