# Competition Math Shortcut: Solve For This Special Triangles Area In Seconds

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- 6 years ago

The leg of a right triangle is equal to 1/5 the sum of the other sides. The triangle has a perimeter of 1. What is its area?\r

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My blog post for this video\r

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Source: I received a similar problem, from a New York competition, by email from a math teacher Jake.\r

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Thanks to all patrons! Special thanks to:\r

Kyle\r

Shrihari Puranik\r

Marlon Forbes\r

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If you like my videos, you can support me at Patreon: \r

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The Joy of Game Theory shows how you can use math to out-think your competition. (rated 3.9/5 stars on 26 reviews) \r

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The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias is a handbook that explains the many ways we are biased about decision-making and offers techniques to make smart decisions. (rated 5/5 stars on 2 reviews) \r

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Math Puzzles Volume 1 features classic brain teasers and riddles with complete solutions for problems in counting, geometry, probability, and game theory. Volume 1 is rated 4.5/5 stars on 12 reviews. \r

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Math Puzzles Volume 2 is a sequel book with more great problems. (rated 5/5 stars on 3 reviews) \r

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Math Puzzles Volume 3 is the third in the . (rated 5/5 stars on 3 reviews) \r

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40 Paradoxes in Logic, Probability, and Game Theory contains thought-provoking and counter-intuitive results. (rated 4.7/5 stars on 10 reviews) \r

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The Best Mental Math Tricks teaches how you can look like a math genius by solving problems in your head (rated 4.7/5 stars on 3 reviews) \r

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Multiply Numbers By Drawing Lines This book is a reference guide for my video that has over 1 million views on a geometric method to multiply numbers. (rated 5/5 stars on 2 reviews)

\r

My blog post for this video\r

\r

\r

Source: I received a similar problem, from a New York competition, by email from a math teacher Jake.\r

\r

Thanks to all patrons! Special thanks to:\r

Kyle\r

Shrihari Puranik\r

Marlon Forbes\r

\r

If you like my videos, you can support me at Patreon: \r

\r

Connect on social media. I update each site when I have a new video or blog post, so you can follow me on whichever method is most convenient for you.\r

\r

My Blog: \r

Twitter: \r

Facebook: \r

Google+: \r

Pinterest: \r

Tumblr: \r

Instagram: \r

Patreon: \r

\r

Newsletter (sent about 2 times a year): \r

\r

My Books\r

\r

The Joy of Game Theory shows how you can use math to out-think your competition. (rated 3.9/5 stars on 26 reviews) \r

\r

The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias is a handbook that explains the many ways we are biased about decision-making and offers techniques to make smart decisions. (rated 5/5 stars on 2 reviews) \r

\r

Math Puzzles Volume 1 features classic brain teasers and riddles with complete solutions for problems in counting, geometry, probability, and game theory. Volume 1 is rated 4.5/5 stars on 12 reviews. \r

\r

Math Puzzles Volume 2 is a sequel book with more great problems. (rated 5/5 stars on 3 reviews) \r

\r

Math Puzzles Volume 3 is the third in the . (rated 5/5 stars on 3 reviews) \r

\r

40 Paradoxes in Logic, Probability, and Game Theory contains thought-provoking and counter-intuitive results. (rated 4.7/5 stars on 10 reviews) \r

\r

The Best Mental Math Tricks teaches how you can look like a math genius by solving problems in your head (rated 4.7/5 stars on 3 reviews) \r

\r

Multiply Numbers By Drawing Lines This book is a reference guide for my video that has over 1 million views on a geometric method to multiply numbers. (rated 5/5 stars on 2 reviews)