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secondary 4 | E Maths
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Michael
Michael

secondary 4 chevron_right E Maths chevron_right Singapore

HELP ME ASAP PLSSSS

Date Posted: 4 years ago
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Thomas Chang
Thomas Chang's answer
52 answers (Tutor Details)
1st
A) use cosine rule
B) use area of triangle 0.5 absin(c)