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Circle Theorems: Cyclic Quadrilateral
Circle Theorems: Cyclic Quadrilateral
In the cyclic quadrilaterals circle theorem, opposite angles add up to 180 degrees.
Our next circle theorem involves what we call a cyclic quadrilateral. This is a quadrilateral drawn inside a circle where all of the vertices lie on the circumference of the circle.
What characteristics would you expect a quadrilateral to have?
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Complete this sentence: opposite angles in a cyclic quadrilateral add up to______
A trapezium is drawn inside a circle with its vertices on the circumference. The top angles in the shape are both , how big are the bottom angles?