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March 2, 2015

March 2, 2015

Posted by **Alexa** on Friday, October 8, 2010 at 6:14pm.

I am taking my SAT tomorrow morning, and i am freaking out because i haven't taken geometry for 5 years and i can't even remember how to find the height of a simple triangle! You have no idea how stressed out i am right now! *hyperventilates

Please help me!

- Geometry -
**MathMate**, Friday, October 8, 2010 at 7:12pmIt all depends on what is given.

If the base and the area are given, then you can solve for h in

Area=base*height

If the three sides of a triangle are given, you would have to calculate the area of the triangle first using

s=(a+b+c)/2

Area=sqrt(s(s-a)(s-b)(s-c))

If angles and sides are given, you'd have to solve for the triangle using sine rule, cosine rule, or other trigonometric formulae.

Good luck on your exam.

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