由题意得AB=5
AC转,圆锥面积=S侧+S底=πrl+πr^2=π*BC*AB+π*BC^2=π*4*5+π*4^2=32π
bc转,圆锥面积=π*AC*AB+π*AC^2=24π
三角形面积=1/2 *AC*BC=1/2 *AB*CE
CE垂直于AB CE=12/5
AB转,圆锥面积=π*CE*AC+π*CE^2+π*CE*BC+π*CE^2=708/25 π
底面半径=32/2/π=16/π
面积=π* 16/π *7+ π* (16/π)^2 =112+256/π
由题意得AB=5
AC转,圆锥面积=S侧+S底=πrl+πr^2=π*BC*AB+π*BC^2=π*4*5+π*4^2=32π
bc转,圆锥面积=π*AC*AB+π*AC^2=24π
三角形面积=1/2 *AC*BC=1/2 *AB*CE
CE垂直于AB CE=12/5
AB转,圆锥面积=π*CE*AC+π*CE^2+π*CE*BC+π*CE^2=708/25 π
底面半径=32/2/π=16/π
面积=π* 16/π *7+ π* (16/π)^2 =112+256/π