The opposite angles of a cyclic quadrilateral sum to 180°
Lesson 9 / 11
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Lesson outcome
I can derive and use the theorem: the opposite angles of a cyclic quadrilateral sum to 180°.
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A theorem is a statement that can be demonstrated to be true by accepted mathematical operations and arguments
Theorems can be thought of as puzzles to solve, you are showing how to find a result
In order to use this theorem, you may need to draw a diagram or add more information to an existing one
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