Shayna Tian's answer to raida's Secondary 4 A Maths Singapore question.
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One thing I forgot to mention in my working is that in the shoelace method, you can choose any coordinate to start with, but need to list the coordinates in an anti-clockwise direction. Other than the shoelace method, you can always draw the diagram out and find the area in sections.
Date Posted:
4 years ago
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