options: Understand and apply theorems about circles.

Identify and describe shapes (squares, circles, triangles, rectangles, hexagons, cubes, cones, cylinders, and spheres).

Visualize relationships between two-dimensional and three-dimensional objects.

Translate between the geometric description and the equation for a conic section.

Solve real-world and mathematical problems involving area, surface area, and volume.

Understand congruence in terms of rigid motions.

Find arc lengths and areas of sectors of circles.

Analyze, compare, create, and compose shapes.

Reason with shapes and their attributes.

Understand similarity in terms of similarity transformations.

Experiment with transformations in the plane.

Explain volume formulas and use them to solve problems.

Graph points on the coordinate plane to solve real-world and mathematical problems.

Apply geometric concepts in modeling situations.

Solve real-life and mathematical problems involving angle measure, area, surface area, and volume.

Classify two-dimensional figures into categories based on their properties.

Solve real-world and mathematical problems involving volume of cylinders, cones, and spheres.

Prove theorems involving similarity.

Make geometric constructions.

Apply trigonometry to general triangles.

Prove geometric theorems.

Use coordinates to prove simple geometric theorems algebraically.

Define trigonometric ratios and solve problems involving right triangles.

Understand congruence and similarity using physical models, transparencies, or geometry software.

Understand and apply the Pythagorean Theorem.

Draw, construct, and describe geometrical figures and describe the relationships between them.

Draw and identify lines and angles, and classify shapes by properties of their lines and angles.
problem_activity: Task
A rectangular tank is $24\text{ cm}$ wide, and $30\text{ cm}$ long.  It contains a stone and is filled with water to a height of $8\text{ cm}$.  When Amy pulls the stone out of the tank, the height of the water drops to $6\text{ cm}$.  Find the volume of the stone.
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correct_option_index: 4