Lim En Jie's answer to There's a feeling's Secondary 4 A Maths Singapore question.
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AB23 is a trapezium, not a triangle.
You should be subtracting (0.5)(a+b)(height) [where a&b are parallel sides of the trapezium] instead of (0.5)(base)(height).
You should be subtracting (0.5)(a+b)(height) [where a&b are parallel sides of the trapezium] instead of (0.5)(base)(height).
Date Posted:
4 years ago
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