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#1 2006-12-14 06:28:35
- unique
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- Registered: 2006-10-04
- Posts: 419
Traingle
Solve the triangle below for angle x and then compute the area of the triangle.
*
* *
* *
* *
3in * * 5in
* *
* *
* *
* *
* 75dg xdg *
*****************
Desi
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#2 2006-12-14 07:18:53
- luca-deltodesco
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- Registered: 2006-05-05
- Posts: 1,470
Re: Traingle
use the sine rule:
i.e.
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#3 2006-12-14 08:48:12
- unique
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Re: Traingle
sinx = 2.897777479 / 5
sinx = 0.579555495
so
x = sin 0.579555495
x = 0.010114979
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#4 2006-12-14 09:12:09
- luca-deltodesco
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Re: Traingle
no, sinx = 0.579555495,
x = sin-¹ 0.579555495 = 35.419 degrees.
Last edited by luca-deltodesco (2006-12-14 09:12:24)
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#5 2006-12-16 05:41:13
- unique
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Re: Traingle
thank you
Desi
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