<span>16u = 1600</span>
<span>u=1600/16</span>
<span>u=100</span>
<span>3080/v = 154</span>
<span>V= 3080/154</span>
<span>V=20</span>
<span>W+175 = 12000/24</span>
<span>W+175= 500</span>
<span>W=500-175</span>
<span>W=325</span>
C=π<span>D</span>
61,293 : 3,14 =19,52 см
Ответ:D=19,52 см