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December 22, 2014

December 22, 2014

Posted by **Please help! I need this urgent, please.** on Sunday, November 30, 2008 at 3:00pm.

I figured out that the height of the prism would be h=b*sin(beta), where beta it is the angle formed by AA1 and the base ABC. I don't know how to find out beta.

The final answer should be h=b*sqrt(1-4/3*cos^2(alfa)) .

Thanks in advance (a lot).

- Math -
**Ms. Sue**, Sunday, November 30, 2008 at 3:02pmHelp needed

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