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secondary 3 | E Maths
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Royal Lim
Royal Lim

secondary 3 chevron_right E Maths

Help me 1c) asap!!!!

Date Posted: 5 years ago
Views: 271

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Christmas MT
Christmas Mt's answer
2904 answers (A Helpful Person)
1st
Find angle H first.

With angle H, you can find length of GH.

Once you have angle H and length of GH, you can apply cosine rule to get the final answer. You can also use sine rule to get the length of IH. Both rules should give the same answer. Try it out.