How do I use surds to find the area of something?

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Like a triangle, for example?

Posted Wed 9th April, 2014 @ 13:09 by Charel

2 Answers

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area = (height x base) / 2,
hypotenuse = square root of (base^2 + side^2)

Answered Mon 21st April, 2014 @ 15:06 by Aliya:)
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erm, what's a surd?

Answered Thu 5th June, 2014 @ 17:29 by Lucy.