Octahedron in a Cube

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Determine the probability that a point lies in a particular area.

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Maximum Surface Area

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Investigate the relationship between surface area and volume in a solid with square faces.

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Pyramid in a Box

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Determine the probability that a point lies in a particular area.

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Inscribing & Circumscribing Polygons

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Construct polygons using a dynamic geometry software that are inscribed in a circle or circumscribe about a circle.

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Perplexing Pentominoes

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Explore with pentominoes.

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Pentagram Triangles

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How many triangles are formed?

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Same Size Perimeter

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If the perimeter remains the same, can the area change?

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Avoiding a Pentagon

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Can you draw points on a piece of paper so that it is not possible to connect them to form a convex pentagon?

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Dividing a Trapezoid

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Divide a given shape into 4 congruent shapes.

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N-Sided Circle?

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Compare the perimeters of polygons to the circumference of the circle.

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