Lim Huishan's answer to CV's Primary 6 Maths Algebra Singapore question.
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Due to the properties, angle XUV, XWV and YWZ is the same and equal to 83. Using properties of isosceles triangle, angle WYZ and ZWY is the same, so ( 180 - angle YWZ ) divided by 2 and you'll get the answer. Hope this helps
Date Posted:
5 years ago
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