CRCT Domain Review Geometry

Key Vocabulary  Radius  The distance from the center to the edge of a circle  Half of the circle’s diameter  Diameter  A straight line going through the center of a circle  Twice the circle’s radius  Circumference  The distance around the edge of a circle  The ratio between the radius and the circumference is pi (3.14)

Key Vocabulary  Complementary Angles  Two angles that sum 90 o  Supplementary Angles  Two angles that sum 180 o  Vertical Angles  Two angles that are across from each other  Congruent  Adjacent Angles  Two angles that are next to each other  Share a side

Key Vocabulary  Area  The amount of space inside a flat object  2D  Units squared  Surface Area  The total area of the surface of a 3D object  The outside  Volume  The amount of space inside an object  3D  Units cubed

Use Proportions to Solve For Scale Drawings

Cross Sections of Geometric Figures

Find Missing Angle Measures