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primary 6 | Maths | Measurement
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michelle
Michelle

primary 6 chevron_right Maths chevron_right Measurement chevron_right Singapore

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Date Posted: 2 years ago
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Ng Li Xuan
Ng Li Xuan's answer
6 answers (Tutor Details)
1st
Using the properties of an equilateral triangle and square, we can deduce that the sides of equilateral triangle is the same as the sides of square. So triangle EAB and triangle EDC become isosceles triangles and hence the angles can be found.