Finding angles of triangles with 2 sides and one angle | Mathematics | Page 1

fiery hornet May 8, 2025, 1:27 AM

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I'm not sure what the formula for solving these are

viscid oracleBOT May 8, 2025, 1:27 AM

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fiery hornet I'm not sure what the formula for solving these are

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graceful tartan May 8, 2025, 1:31 AM

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fiery hornet I'm not sure what the formula for solving these are

Note that you have, including what you need to find, 2 pairs of angle-side pairs. What formula(s) do you know that involve that?

fiery hornet May 8, 2025, 1:31 AM

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graceful tartan Note that you have, including what you need to find, 2 pairs of angle-side pairs...

I think I have to use law of sines, but I kind of forgot how to use them

graceful tartan May 8, 2025, 1:31 AM

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Yes, you use law of sines

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what does law of sines say for a?

fiery hornet May 8, 2025, 1:32 AM

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Sin(B) over B = Sin(A) over A?

pastel crater May 8, 2025, 1:33 AM

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fiery hornet Sin(B) over B = Sin(A) over A?

good

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so now just apply it

fiery hornet May 8, 2025, 1:34 AM

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So is it Sin(72)/21 = Sin(A)/9?

graceful tartan May 8, 2025, 1:35 AM

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fiery hornet Sin(B) over B = Sin(A) over A?

yes

fiery hornet May 8, 2025, 1:35 AM

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graceful tartan yes

Alr tysm

graceful tartan May 8, 2025, 1:35 AM

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why ooaa is taking over is a mystery tho

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but anyway... yes, it's just plug into law of sines then solve.

void jacinthBOT May 9, 2025, 2:00 AM

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@fiery hornet

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fiery hornet May 9, 2025, 2:00 AM

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Oh shoot my bad

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_close

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+close

void jacinthBOT May 9, 2025, 2:00 AM

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fiery hornet +close

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void jacinthBOT May 9, 2025, 2:00 AM

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void jacinth

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