Year 11
Core
Circle Theorems: A tangent and radius are perpendicular at the point of contact
Year 11
Core
Circle Theorems: A tangent and radius are perpendicular at the point of contact
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Lesson details
Key learning points
- In this lesson, we will learn that a tangent and radius are perpendicular at the point of contact. We will prove this result with a general case.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
Work out the size of angle x.
180º
360º
45º
Q2.
Work out the size of angle x.
158º
68º
90º
Q3.
Which statement is correct about the diagram shown.
Line AB < Line AC
Line AB > Line AC