Hor Kuok Theng's answer to Jonathan Koh's Secondary 3 E Maths Singapore question.
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Properties of angles within circles are useful to remember.
Also, if something is tangent to a circle, a straight line from the center of the circle passing through the point of intersection between the line and the circle will be 90 degrees, i.e. A right angle.
Also, if something is tangent to a circle, a straight line from the center of the circle passing through the point of intersection between the line and the circle will be 90 degrees, i.e. A right angle.
Date Posted:
4 years ago
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