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Congruence, Similarity, Right Triangles & Trig - 46%


Circles, Geometric Measurement & Geometric Properties with Equations - 38%


Modeling with Geometry - 16%


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What You Need To Know...

MAFS.912.G-GMD.1.1 - Give an informal argument for the formulas for the circumference of a circle, area of a circle, volume of a cylinder, pyramid, and cone.

1. The benchmark will be assessed using Drag and Drop Response, Hot Text Response, Multi-select Response, Open Response and Selectable Text.

2. Items may require student to recall the formulas for the circumference and area of a circle, the volume of a cylinder, a pyramid, and a cone.

4. Items may require students to write an informal argument or explain how to derive a formula.

5.  Informal arguments are limited to dissection arguments, Cavalieri's principle, and informal limit arguments.


Example One

Example Two

Additional Examples

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Diameter & Circumference
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Area of a circle
Volume of Prisms, Cylinders & Cones

Reference Sheet



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