Concurrent Lines
NIOS · Class 10 · Maths
All formulas from Concurrent Lines in NIOS Class 10 Maths. Key equations, constants, and identities for board exam preparation.
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Basic Definitions and Concepts
Angle Bisectors and Incentre
Distance from incentre to all sides = inradius (r)
Perpendicular Bisectors and Circumcentre
Distance from circumcentre to all vertices = circumradius (R)
Altitudes and Orthocentre
Full sheet with units and worked examples
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