options: Define trigonometric ratios and solve problems involving right triangles.

Explain volume formulas and use them to solve problems.

Understand congruence in terms of rigid motions.

Understand similarity in terms of similarity transformations.

Use coordinates to prove simple geometric theorems algebraically.

Apply geometric concepts in modeling situations.

Experiment with transformations in the plane.

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

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

Reason with shapes and their attributes.

Find arc lengths and areas of sectors of circles.

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

Draw and identify lines and angles, and classify shapes by properties of their lines and angles.

Prove geometric theorems.

Apply trigonometry to general triangles.

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

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

Analyze, compare, create, and compose shapes.

Understand and apply the Pythagorean Theorem.

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

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

Make geometric constructions.

Prove theorems involving similarity.

Understand and apply theorems about circles.

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

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

Classify two-dimensional figures into categories based on their properties.
problem_activity: Triangle
$${{{CDE}}}$$
underwent a transformation that created triangle
$${{{C'D'E'}}}$$
.
[IMG]
a.   Describe how triangle
$${{{CDE}}}$$
was transformed to become triangle
$${{{C'D'E'}}}$$
.
b.   What features stayed the same?
c.   What features changed?
d.   Is triangle
$${{{CDE}}}$$
congruent to triangle
$${{{C'D'E'}}}$$
? Explain how you know.


correct_option_index: 19