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primary 5 | Maths | Angles & Geometry
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Al
Al

primary 5 chevron_right Maths chevron_right Angles & Geometry chevron_right Singapore

Pls help

Date Posted: 4 years ago
Views: 528

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Angle BAC = Angle ACD = 30° (alternate angle)
Angle ACB = Angle BAC = 30° (Isosceles Triangle)
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Dawn
Dawn's answer
21 answers (Tutor Details)
1st
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Michelle
Michelle's answer
4 answers (A Helpful Person)
Use the concepts:
1. All angles in an isosceles triangle add up to 180 degrees.
2. Angles that lie on a pair of parallel lines add up to 180 degrees.

Hope this helps you!