Problem 2016. Area of an equilateral triangle

Created by Tanya Morton

Solve Later

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w:element=\"image\"><w:customXmlPr><w:attr w:name=\"height\" w:val=\"-1\"/><w:attr w:name=\"width\" w:val=\"-1\"/><w:attr w:name=\"relationshipId\" w:val=\"rId1\"/></w:customXmlPr></w:customXml></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Image courtesy of</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-triangle.svg\"><w:r><w:t>Wikipedia</w:t></w:r></w:hyperlink><w:r><w:t>.</w:t></w:r></w:p></w:body></w:document>"},{"partUri":"/matlab/output.xml","contentType":"text/xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?><embeddedOutputs><metaData><evaluationState>manual</evaluationState><layoutState>code</layoutState><outputStatus>ready</outputStatus></metaData><outputArray type=\"array\"/><regionArray 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"}]}

Solve

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5891 Solutions
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Last Solution submitted on Oct 20, 2021

Last 200 Solutions

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7 Comments

7 Comments

Show 4 older comments

Adi Zabidi on 27 Dec 2016

yay

haziq hadi on 27 Dec 2016

Howard Clark on 19 Oct 2017

Nice problem!!!

jack walker on 2 Aug 2019

yes nice problem

Zsombor Nánai on 16 Feb 2020

Nice!

Kaan Orhan Sergin on 13 Jun 2020

Nice

Rahul Gulia on 24 Sep 2021 at 18:55

Any idea of optimizing my answer?

function y = equilateral_area(x)
side_1 = (x/2)/tand(30);
y = (x/2)*side_1;
end

Solution Comments

Solution 5675080

1 Comment

1 Comment

john perkins on 4 May 2021

nice function use

Solution 4358685

1 Comment

1 Comment

song peng on 19 Dec 2020

Great

Solution 4255980

Solution 3135561

1 Comment

1 Comment

mcbirxx on 9 Oct 2020

It's called recycling :)

Solution 396028

1 Comment

1 Comment

Jon on 3 Feb 2014

regexp cheat

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basic matlab pythagoras

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Problem 2016. Area of an equilateral triangle

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Problem 2016. Area of an equilateral triangle

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