A wire of length l metres is bent so as to form the boundary of a sector of a circle of radius r metres and angle radians Show that and prove that the area of the sector is greatest when the radius is l 4 1 2r r...

Since 0 dA d72 dr d 2r1 Since d re i ...

A wire of length l metres is bent so as to form the boundary of a sector

Question:

A wire of length l metres is bent so as to form the boundary of a sector of a circle of radius r metres and angle θ radians. Show that

= 1 - 2r r

and prove that the area of the sector is greatest when the radius is l /4.

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Modern Engineering Mathematics

ISBN: 9781292253497

6th Edition

Authors: Glyn James

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Question Posted: Jan 13, 2024 09:06 AM

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A wire of length l metres is bent so as to form the boundary of a sector

Question:

= 1 - 2r r

Step by Step Answer:

Since 0 dA d72 dr d 2r1 Since d re i...View the full answer

Modern Engineering Mathematics

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