Identify and name the highlighted part of each diagram with the correct vocabulary.
a.
b.
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d.
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e.
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g.
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c.
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f.
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h.
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i.
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Key Questions- Answer each question in full sentences to demonstrate your understanding of the
vocabulary associated with circles.
1. Why might the description “Arc AB” be ambiguous?
2. What is the difference between a tangent line and a secant line?
3. How are a chord and a diameter similar and different?
4. How are a chord and an arc similar and different?
5. Which term, central angle or inscribed angle do you think makes more sense as a name
considering its definition?
6. What is the relationship between a radius and a diameter on a circle?
7. Would you consider the circumference of a circle to be an arc? Why or why not?
8. Would you call an arc that is exactly half of a circle a major arc? Minor arc? Why/why not?