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secondary 3 | A Maths
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Irah Athirah
Irah Athirah

secondary 3 chevron_right A Maths chevron_right Singapore

I need help for part (i) only because I forgotten how to show that the triangle is an isos. triangle. Can anyone teach me how to prove it? Thank you so much!

Date Posted: 3 months ago
Views: 26
Eric Nicholas K
Eric Nicholas K
3 months ago
Good evening Irah! To show the triangle is isosceles but my equilateral, we show that exactly two of the three lines in the triangle have equal length.

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Eric Nicholas K
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Hi Irah! Here is my answer for part i. Let me know if you need help for the other parts as well.