पाठ्यक्रम बारे जानकारी

9.1 Area of a Trapezium

9.2 Area of a Quadrilateral

9.3 Area of Rhombus

9.4 Surveying the field

9.5 Area of a Polygon

9.6 Area of circle

9.7 Area of a Circular Path or Area of a ring

9.8 Length of the arc

9.9 Area of Sector