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primary 6 | Maths
| Measurement
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Your label ⑦ was used on half a side of a triangle, on the right side of the figure.
The half on the left side was not labeled. It would be incorrect to label just 1 half as a full side. Would recommend you label as ⑦a and ⑦b.
Furthermore, you've marked both half-sides with dashes . This dash is to represent the equal sides of the equilateral triangles. But half a side doesn't equal a full side so it's not correct to put a dash on the half-side.
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