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  • DSE15Q19 Example

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  • 2016DSEQ19

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  • 2019DSEQ18

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  • 2018DSEQ17

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  • DSE15 Q19 Example

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  • Regular Tetrahedron

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  • Pyramid with square base (angle between planes)

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  • Cube (Angle between a line and a plane)

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  • Chords of a circle

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  • Angle at the centre & angle at the circumference

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  • Condition for Congruent Triangles 4 (AAS)

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  • SSA cannot be condition for congruent triangles

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  • Condition for Congruent Triangles 5 (RHS)

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  • Condition for Congruent Triangles 4a (AAS)

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  • Condition for Congruent Triangles 4 (ASA)

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  • Condition for Congruent Triangles 3 (ASA)

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  • Condition for Congruent Triangles 2 (SAS)

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  • Conditions for Congruent Triangles 1 (SSS)

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  • Vertically Opposite Angles

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  • Adjacent Angles on St. Line

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  • Angles of Parallel Lines

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  • Transformation 3 (Rotation)

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  • Transformation 2 (Reflection)

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  • Transformation 1 (Translation)

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