Chord properties

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Intros

Lessons

1. What is a chord?
2. What is a tangent?
What are the properties of a chord?

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Examples

Lessons

If AC is 4 cm and BD is 15 cm, what is the diameter of the circle?
Zoe wants to set up her round dining table by putting a candle in the centre of it. How can she do that by using a tangent? Explain your answer with a diagram.
Below is a segment of a circle, and A is the center of the circle. The radius is 15 cm, BC is 7.5 cm, and DE is 24 cm.

Determine.
1. $\angle$ CED
2. CE
3. BE

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