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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Geometric Investigations of the Voyage 200 with Cabri
Tenth graders explore quadrilaterals and triangles. In this geometry lesson plan, 10th graders examine kites, trapezoids, parallelogram, rectangle, rhombi, squares, and triangles and explore the properties of the various figures. The...
Inscribed Quadrilaterals and Parallelograms
Students differentiate between inscribed quadrilaterals and parallelograms. For 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...
9th - 10th Math CCSS: Adaptable
Opposite Angles in a Cyclic Quadrilateral
Learners investigate cyclic quadrilaterals in this geometry lesson plan. They use Cabri Jr to explore the sum of the measures of opposite angles in a cyclic quadrilateral. The dynamic nature of Cabri allows young scholars to form and...
9th - 12th Math CCSS: Designed