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Ex 7.2, 7 - Chapter 7 Class 9 Triangles
Last updated at April 16, 2024 by Teachoo
Opposite Angles of equal sides
Chapter 7 Class 9 Triangles
Concept wise
- Congruency - Introduction
- SAS
- ASA/AAS
-
Opposite Angles of equal sides
- SSS
- RHS
- Side inequality
Transcript
Ex 7.2, 7 ABC is a right angled triangle in which A = 90 and AB = AC. Find B and C. Given AB = AC C = B In ABC, A + B + C = 180 90 + B + C = 180 90 + B + B = 180 2 B = 90 B = 45 B = C = 45
