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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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