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junior college 1 | H2 Maths
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WL
WL

junior college 1 chevron_right H2 Maths

Not sure how to prove the area only

Date Posted: 6 years ago
Views: 247

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Vincent Wan
Vincent Wan's answer
1 answers (Tutor Details)
1st
Properties of area of triangle = 0.5 x [cross product of adjacent vector]

Properties of cross product:
• a x a = 0
• a x (b + c) = (a x b) + ( a x c)

Where a,b,c are vectors.
WL
WL
6 years ago
Thank u!