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primary 5 | Maths | Angles & Geometry
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primary 5 chevron_right Maths chevron_right Angles & Geometry chevron_right Singapore

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Date Posted: 4 years ago
Views: 270
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Ariana
Ariana's answer
7 answers (A Helpful Person)
1st
So you must use the concepts of:
1.Angles that lie on a straight line add up to 180 degrees.
2.A right angle is equal to 90 degrees.