Question

4) The perimeter of a sector of a circle, of area 251 cm^2, is 20 cm. Find the area of sector.​

Answer 1

Answer:

Given,perimeter of sector is 20 cm and the area of the circle is 251 cm^2

Step-by-step explanation:

area of the circle is=2πr²

                               251=2*22/7*r²

                                 r²=251*7/44

                                 r²=36

                                 r=√36

                                 r=6