Perimeter or Area?

Radius; Perimeter and Area

Perimeter and Area of a circle

Plane Figures |Perimeter And Area Of Plane Figures|Solid Figures|Cube,Cuboid And Cylinder|Surface Area|Practice Problem

Introduction of Perimeter and Area|Example Questions|Area of Sector and Segment of a Circle|Example Questions|NCERT Discussion|Summary

Introduction of Perimeter and Area|Example Questions|Area of Sector and Segment of a Circle|Example Questions|NCERT Discussion|Summary

Area and Perimeter of rectangle

(i) Perimeter and area of a rectangle

(ii) Perimeter and area of a square

For r gt 0, f(r ) is the ratio of perimeter to area of a circle of radius r. Then f(1) + f(2) is equal to