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Angles & Triangles

7th Grade

Pennsylvania Core Standards: CC.2.3.7.A.1

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

Pennsylvania Core Standards: M07.C-G.2.1.1

Identify and use properties of supplementary, complementary, and adjacent angles in a multi- step problem to write and solve simple equations for an unknown angle in a figure

Pennsylvania Core Standards: M07.C-G.2.1.2

Identify and use properties of angles formed when two parallel lines are cut by a transversal (e.g., angles may include alternate interior, alternate exterior, vertical, corresponding).

Pennsylvania Core Standards: CC.2.3.7.A.2

Visualize and represent geometric figures and describe the relationships between them.

Pennsylvania Core Standards: M07.C-G.1.1.2

Identify or describe the properties of all types of triangles based on angle and side measures.

Pennsylvania Core Standards: M07.C-G.1.1.3

Use and apply the triangle inequality theorem.

7th Grade Math - Angles & Triangles Lesson

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