Ответ:
D=2R=2*3=6
h=
S=2πR(R+h)=2π*3(3+8)=2π*33=66π=66*3,14=207,24
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Ответ:
D=2R=2*3=6
h=![\sqrt{10^2-6^2} =\sqrt{100-36} =\sqrt{64} =8^2 \sqrt{10^2-6^2} =\sqrt{100-36} =\sqrt{64} =8^2](https://tex.z-dn.net/?f=%5Csqrt%7B10%5E2-6%5E2%7D%20%3D%5Csqrt%7B100-36%7D%20%3D%5Csqrt%7B64%7D%20%3D8%5E2)
S=2πR(R+h)=2π*3(3+8)=2π*33=66π=66*3,14=207,24