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Geometry

12 topics · study sheets, quizzes, and tests.

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Go through each topic step by step, with 10 timed practice problems after every section.

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Topics

1.

Core Ideas in Plain Terms

Shapes and reasoning, in everyday language

Study PracticeQuizUnit Test
2.

Transformations

Slides, flips, turns, and resizes on the coordinate plane

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3.

Points, Lines & Planes

Foundations: undefined terms, segments, midpoints & distance

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4.

Angles

Naming, classifying, and solving for angle measures

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5.

Parallel & Perpendicular Lines

Everything you need to name angles, find them, and work with slopes

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6.

Triangles & Congruence

Classifying, angle rules, congruence shortcuts, and a first proof

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7.

Similarity

Ratios, similar polygons & triangles, indirect measurement, midsegments & scaling

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8.

Right Triangles & Trig

Pythagoras, special triangles, SOH-CAH-TOA, and angles of elevation

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9.

Quadrilaterals & Polygons

Vocabulary, angle formulas, special quadrilaterals, and the family tree

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10.

Circles

Parts, circumference, area, angles, tangents, chords, and equations

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11.

Area & Volume

Flat shapes, solid shapes, and the formulas that measure them

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12.

Course Review

Every key definition, theorem, and formula from all ten units

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