Geometry math question

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thread starter RainbowArc Aug 31 2010 + PM | QUOTE | PERMALINK | REPORT

Yes or no? Can you solve this? If you can,whats the answer?

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Fade2BlacK 08/31/10 + PM | QUOTE | PERMALINK | REPORT

Five

ricefluff 08/31/10 + PM | QUOTE | PERMALINK | REPORT

five and i got ninjaed

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bombinator 08/31/10 + PM | QUOTE | PERMALINK | REPORT

5, it's a 3-4-5 triangle, classic one

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faintxpirate 08/31/10 + PM | QUOTE | PERMALINK | REPORT

"Find C." <--there it is!

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doomzdragonz 08/31/10 + PM | QUOTE | PERMALINK | REPORT

Unsolvable, since we don't know if it's a right triangle or not. We would need to more information to solve it.

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RainbowArc 08/31/10 + PM | QUOTE | PERMALINK | REPORT

[quote] Fade2BlacK : Five [/quote] [quote] ricefluff : five and i got ninjaed [/quote] [quote] bombinator : 5, it's a 3-4-5 triangle, classic one [/quote] How did you guys get 5?

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EmperorP 08/31/10 + PM | QUOTE | PERMALINK | REPORT

It's 5 It's a Pythagorean Triple a^2 + b^2 = c^2

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bombinator 08/31/10 + PM | QUOTE | PERMALINK | REPORT

RainbowArc Pythagoras theorem, http://en.wikipedia.org/wiki/Pythagorean_theorem let a = 3 let b = 4 let c = x a^2 + b^2 = c^2 3^2 + 4^2 = x^2 9 + 16 = x^2 25 = x^2 5 = x

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RainbowArc + PM | QUOTE | PERMALINK | REPORT

[quote] EmperorP : It's 5 It's a Pythagorean Triple a^2 + b^2 = c^2 [/quote] Correct me,but isn't the Pythagorean Theorem only for right triangles? That question also applies at the guy above.

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bombinator + PM | QUOTE | PERMALINK | REPORT

[quote] RainbowArc : Correct me,but isn't the Pythagorean Theorem only for right triangles? [/quote] Oh, not a right triangle? I'll re-assess the question again lol Edit: Uh, do you happen to know any of the angles in that triangle? If you don't, then this is pretty much impossible to solve.

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Amarlista + PM | QUOTE | PERMALINK | REPORT

[quote] RainbowArc : Correct me,but isn't the Pythagorean Theorem only for right triangles? That question also applies at the guy above. [/quote] Yes. If that's not a right triangle, you have to use trig. And as the guy above me said, if there's no angles included the question is impossible unless you physically measure it.

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ilyToaster 08/31/10 + PM | QUOTE | PERMALINK | REPORT

This is the Pythagorean Theorem. a^2 + b^2 = c^2 Since you know what a and b are, plug in the variables So now you have... 3^2 + 4^2 = c^2 which turns into 9 + 16 = c^2 25 = c^2 Then you just square root the whole equation You end up with c = 5

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bombinator 08/31/10 + PM | QUOTE | PERMALINK | REPORT

If you know one of the angles, you can re-arrange the Cosine Law to solve for C.

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davidcds 08/31/10 + PM | QUOTE | PERMALINK | REPORT

5, if its a right triangle. a^2 + b^2 = c^2 3^2 + 4^2 = c^2 9 + 16 = 25 -forgets square roots symbol- 25 = 5 If its not a right triangle, thats a misleading triangle.

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