Explore cyclic quadrilaterals and Ptolemy's Theorem. The class uses Cabri to investigate the lengths of sides and diagonals of cyclic quadrilaterals. An excellent teacher's guide, sure to help you through your next cyclic quadrilateral lesson.
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Inscribed Quadrilaterals and Parallelograms
Pupils differentiate between inscribed quadrilaterals and parallelograms. In this geometry lesson, students identify the shaped of the polygons when it is inscribed inside of a circle. They calculate the missing angles of the inscribed...
9th - 10th Math CCSS: Adaptable
Opposite Angles in a Cyclic Quadrilateral
Learners investigate cyclic quadrilaterals in this geometry lesson. They use Cabri Jr to explore the sum of the measures of opposite angles in a cyclic quadrilateral. The dynamic nature of Cabri allows students to form and verify...
9th - 12th Math CCSS: Designed