Скачать или смотреть Complete Mensuration 2D & 3D | Part-2 | Formula + Proof | SSC CGL | Railway NTPC 2026

In this video, we study one of the most important Mensuration concepts – Inradius and Circumradius of a triangle.

All formulas are derived step by step with proper mathematical proof, so students can clearly understand the concept instead of memorizing formulas.

This session includes:
• Inradius formula with proof
• Circumradius formula with proof
• Right angled triangle based derivations
• Relationship between inradius and circumradius
• PYQ (Previous Year Questions) from SSC & Railway exams
• Exam-oriented practice questions
• Short tricks and logical approach for fast solving

This lecture is very important for:
SSC CGL Maths
Railway NTPC Maths
RRB JE
SSC CHSL / CPO
All competitive exams preparation

If you want strong concept clarity in Mensuration 2D, this video will help you a lot.

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