Question

a sector of 60degree cut off from a circle contains 924 m square find the radius of circle

Answer 1

60/360 X 22/7 X R^2= 924
R^2 = 924 X 360  X 7/ 22 X 60
R^2= 1764
R = 42 cm

Answer 2

area of sector= Ф/360 x πr²
924= 60/360 x 22/7 x r²
r² = 924 x 6 x 7 /22
r²=1764
r=√1764
r = 42