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Re: Need math help

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captain26 is not online. captain26
Joined: 11 Sep 2009
Total Posts: 3226
20 Oct 2013 07:58 PM
Ok so how do I find the angels of a triangle but I only have the lengths of the sides||

Equation please
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cakelovespie is not online. cakelovespie
Joined: 17 Oct 2009
Total Posts: 22527
20 Oct 2013 07:59 PM
magic

[-CLP-]
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pieman1026 is not online. pieman1026
Joined: 23 Jan 2010
Total Posts: 45769
20 Oct 2013 07:59 PM
all three angles have to add up to 180.
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InnovativeXT is not online. InnovativeXT
Joined: 18 Jul 2013
Total Posts: 1227
20 Oct 2013 07:59 PM
LOL
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x1pro is not online. x1pro
Joined: 02 Dec 2009
Total Posts: 8208
20 Oct 2013 08:00 PM
use a math tool

Mankind must put an end to war before war puts an end to mankind. -John F. Kennedy
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Zegions is not online. Zegions
Joined: 25 Jul 2013
Total Posts: 5281
20 Oct 2013 08:02 PM
you use the law of cosines
i forgot it tho
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captain26 is not online. captain26
Joined: 11 Sep 2009
Total Posts: 3226
20 Oct 2013 08:02 PM
But what if the triangle is cut in 3 peices and I can't use measuring devices
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iKeno is not online. iKeno
Joined: 14 Jan 2008
Total Posts: 27490
20 Oct 2013 08:03 PM
someone needs to pay attention in class.
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Stephiy is not online. Stephiy
Joined: 17 Oct 2013
Total Posts: 13277
20 Oct 2013 08:03 PM
All angles add up to 180.

If they're 2 even sides those 2 are the same then subtract those 2 numbers added together from 180.

"Do what you do and everything will be fine" - Unknown
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x1pro is not online. x1pro
Joined: 02 Dec 2009
Total Posts: 8208
20 Oct 2013 08:03 PM
agreed keno

Mankind must put an end to war before war puts an end to mankind. -John F. Kennedy
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captain26 is not online. captain26
Joined: 11 Sep 2009
Total Posts: 3226
20 Oct 2013 08:04 PM
He didn't explain how to do this and no notes.
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HMAX12 is not online. HMAX12
Joined: 25 Jul 2009
Total Posts: 32693
20 Oct 2013 08:04 PM
Hey captain

I need math help

I need the formula for a Vector field.
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Stephiy is not online. Stephiy
Joined: 17 Oct 2013
Total Posts: 13277
20 Oct 2013 08:04 PM
"And I can't use measuring devices"

Use one and go to class saying "I took an educated guess."

"Do what you do and everything will be fine" - Unknown
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CrakTheRaven is not online. CrakTheRaven
Joined: 25 Dec 2009
Total Posts: 13410
20 Oct 2013 08:05 PM
know the following:
----------------------------------------
1) angles need to add to 180

2) law of sines (a/sin A) = (b/sin B) = (c/sin C)

angle opposite of side (a) would be angle (A)

3) law of cosines (c^2 = a^2 + b^2 - 2(a)(b)(cos(C))
----------------------------------------

given all three sides, you MUST use the law of cosines to first find any one of the three angles. then, you can use the law of sines to find the third. to the find the last, you can add up your two angles, and then subtract from 180 to get your final answer.

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x1pro is not online. x1pro
Joined: 02 Dec 2009
Total Posts: 8208
20 Oct 2013 08:06 PM
180

Mankind must put an end to war before war puts an end to mankind. -John F. Kennedy
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AppleJuiceee is not online. AppleJuiceee
Joined: 20 Jan 2013
Total Posts: 1485
20 Oct 2013 08:07 PM
law of sines or cosines

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