NCERT Solutions for Class 9 Maths Chapter 8 Quadrilaterals Ex 8.1 are part of NCERT Solutions
NCERT Solutions for Class 9 Maths Chapter 10 Circles Ex 10.1 are part of NCERT Solutions
NCERT Solutions for Class 9 Maths Chapter 11 Constructions Ex 11.1 are part of NCERT Solutions