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Still Confused?

Try reviewing these fundamentals first.

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Try reviewing these fundamentals first.

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Get Started Now- Intro Lesson: a7:11
- Intro Lesson: b5:12
- Lesson: 11:54
- Lesson: 21:34
- Lesson: 3a2:09
- Lesson: 3b2:24
- Lesson: 3c2:20

In a circle, when a line passes through the center of the circle and is perpendicular to a chord, the line will bisect the chord. In other words, the perpendicular bisector of a chord always passes through the center of the circle.

Related concepts: Arcs of a circle, Areas and sectors of circles, Circle chord, tangent, and inscribed angles proofs,

- Introductiona)
- What is a chord?
- What is a tangent?

b)What are the properties of a cord? - 1.If AC is 4 cm and BD is 15 cm, what is the diameter of the circle?

- 2.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.
- 3.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.a)$\angle$CEDb)CEc)BE

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