About a circle, the radius which is equal 9 roots from 3 is described in the correct hexagon. Find the area of a hexagon and the area of the circle described about this hexagon

254
– radius93 and – the party of a hexagon

of r=a√3/2 a=2r / √ 3=2*9√3 / √ 3=18

the Area of a hexagon

of S=3a ² √3/2=3*324√3/2=486√3

of Radiusokruzhnosti, described around the correct hexagon, is equal to its party

circle

S = π r ² =3.14*18 ² =1017.36

222
Answer add