Common Core · Mathematics
8.G.5
Grade 8 · Geometry
Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles.
- Official code
- CCSS.MATH.CONTENT.8.G.5
- Short code
- 8.G.5
- Subject
- Mathematics
- Grade
- Grade 8
- Domain
- Geometry
More Grade 8 Geometry standards
8.G.1
Verify experimentally the properties of rotations, reflections, and translations:
8.G.1a
Lines are taken to lines, and line segments to line segments of the same length.
8.G.1b
Angles are taken to angles of the same measure.
8.G.1c
Parallel lines are taken to parallel lines.
8.G.2
Understand that a two-dimensional figure is congruent to another if the second can be...
8.G.3
Describe the effect of dilations, translations, rotations, and reflections on...
8.G.4
Understand that a two-dimensional figure is similar to another if the second can be...
8.G.6
Explain a proof of the Pythagorean Theorem and its converse.
8.G.7
Apply the Pythagorean Theorem to determine unknown side lengths in right triangles in...
8.G.8
Apply the Pythagorean Theorem to find the distance between two points in a coordinate system.
8.G.9
Know the formulas for the volumes of cones, cylinders, and spheres and use them to...
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