eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 4.2 Theorems About Lines and Angles

For Students 9th - 10th Standards
Consider two parallel lines that are intersected by a transversal, and when it crosses the two others, many different angle pairs are formed. See the special properties of the angle pairs in this interactive.
Handout
Math Open Reference

Math Open Reference: Corresponding Angles

For Students 9th - 10th Standards
Learn about corresponding angles with this resource which offers detailed explanations and examples. Subjects covered include parallel and non-parallel cases. Links to related topics.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 3.2 Asa and Aas Triangle Congruence

For Students 9th - 10th Standards
See how triangles are congruent where all corresponding angle pairs and sides are the same.
Lesson Plan
Alabama Learning Exchange

Alex: Build a City on Geometry

For Teachers 6th - 8th
The middle schoolers will be split into small, cooperative groups and build a city following specific guidelines. The students will learn how a city is constructed with angles, intersections, parallel, intersecting, and transversal...
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 3.4 Sss Triangle Congruence

For Students 9th - 10th Standards
Discover if two triangles are congruent it means that all corresponding angle pairs and all corresponding sides are congruent.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 3.5 Applications of Congruent Triangles

For Students 9th - 10th Standards
Learn how two triangles are congruent if and only if their corresponding sides and corresponding angles are congruent.
Handout
Math Open Reference

Math Open Reference: Pythagorean Theorem

For Students 9th - 10th Standards
Learn about corresponding angles with this resource which offers detailed explanations, examples, and an interactive. Subjects covered include finding the right triangle. Links to related topics.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 6.5 Sss Triangle Similarity

For Students 9th - 10th Standards
Explore and understand two triangles that are similar.

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