Question

the area of a sector whose perimeter is four times its radius R units is??​

Answer 1

Area of Sector = (1/2 )length of arc x raduis

perimeter of Sector = L + 2R

4R= L+2R

L=2R

Area of Sector= 1/2) (2R)x(R)

                       = 1/2 x2R^2

                       =R^2