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Basic Math / GED

Algebra

Geometry

SAT Math

Algebra 2

Tutorial Files Points, Lines, and Angles Constructions Triangles Polygons Parallel Lines Basic Proofs Triangle Proofs Similar Polygons Circles Perimeter and Area Surface Area and Volume Coordinate Geometry Right Triangles and Trigonometry Functions Classify a triangle based on its angles. Classify a triangle based on its sides. Find the missing angle in a triangle. Find the missing angle in a triangle (Diagram). Find the missing angle in a triangle II. Find the missing angle in a isosceles triangle (Diagram). Solve for x using the triangle angle sum theorem. Find the missing angle outside of a triangle. Find the missing vertical angle. Calculate if two triangles on a coordinate plane are congruent. Congruent triangles. Missing angle word problem (right triangle). Find the length of a triangle midsegment. Find the length of a triangle base when given the midsegment. Find the length involving a median and centroid.

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