How can I find this ? | Mathematics | Page 1

regal galeBOT Aug 26, 2023, 10:45 PM

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zealous finch Aug 26, 2023, 10:46 PM

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I try with this but it don't give me the right answer

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grim radish Aug 26, 2023, 10:56 PM

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i gochu

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can you post a full pic so i each edge is labelled, will be easier to explain

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to solve this don't use the sine rule, instead find the top angle

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using what you find you can use trig to find the red line

zealous finch Aug 26, 2023, 10:59 PM

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The top angle is 100

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Which rule do I need to follow ?

grim radish Aug 26, 2023, 11:03 PM

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oh yeah use sine rule from there lmao

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does that not work?

zealous finch Aug 26, 2023, 11:04 PM

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I don’t think

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Can u try it ? To compare our answers

grim radish Aug 26, 2023, 11:05 PM

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yep i've put it in my calculator and got the same answer

#How can I find this ?