Kegelstumpf berechnen?
1 Antwort
pi (R1)^2 = 18,1---R1= 2,40
pi (R2)^2= 8 ------R2 = 1,60
Volume = h x pi/3 ((R1)^2 + R1 x R2 + (R2)^2 ) =23,3
h x pi/3 ( 2,40^2 + 2,40 x 1,60 +1,60^2 = 23,3
h = 1,83 cm
m^2 = ( R1 - R2 )^2 + h^2
m^2 = ( 0,8^2 + 1,83^2--------m = 2,0 cm
cos^-1 (0,8/2,0) = 66,4