AC Lim's answer to jq's Secondary 3 E Maths Singapore question.
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Marked 90° and saw your message, think you able to solve it. Hope this helps
Date Posted:
1 year ago
thank you sm !! i have major difficulties in trying to identify diff parts in a 3D diagram to the pt whr i cant even draw the triangle correctly cause my 90° are wrong LOL
Haha.. take a box and see & identify the 90° for ∆. :)
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