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primary 5 | Maths | Area & Volume
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Jackson R
Jackson R

primary 5 chevron_right Maths chevron_right Area & Volume chevron_right Singapore

Please I need help!

Date Posted: 3 months ago
Views: 39

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Xavier Nicodemus Sim
Xavier Nicodemus Sim's answer
9 answers (Tutor Details)
1st
Hope this helps, if you can't read coz of my handwriting I apologise in advance. If you don't understand anything please feel free to ask :)
Jackson R
Jackson R
3 months ago
Thanks. But the question is asking for the area of the shaded triangle, not length of BC.
Xavier Nicodemus Sim
Xavier Nicodemus Sim
3 months ago
Oh sorry my bad, I didn't read the question properly. I calculated it and the answer is 105.3 using Heron's formula which I don't think you guys learnt it
Jackson R
Jackson R
3 months ago
Thank you for helping. We didn’t learn heron in school, but we learn to solve these kind of questions using tricks, maybe it’s one of those. Hope someone can show us some magic.
Xavier Nicodemus Sim
Xavier Nicodemus Sim
3 months ago
Ahh I see, I'm really sorry again and I hope so too!