圆台的体积是243√3п,侧面展开图是半圆环,它的下底面半径等于上底面半径的3倍,求这个圆台的上底面半径.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/26 23:28:20
![圆台的体积是243√3п,侧面展开图是半圆环,它的下底面半径等于上底面半径的3倍,求这个圆台的上底面半径.](/uploads/image/z/13046791-31-1.jpg?t=%E5%9C%86%E5%8F%B0%E7%9A%84%E4%BD%93%E7%A7%AF%E6%98%AF243%E2%88%9A3%D0%BF%2C%E4%BE%A7%E9%9D%A2%E5%B1%95%E5%BC%80%E5%9B%BE%E6%98%AF%E5%8D%8A%E5%9C%86%E7%8E%AF%2C%E5%AE%83%E7%9A%84%E4%B8%8B%E5%BA%95%E9%9D%A2%E5%8D%8A%E5%BE%84%E7%AD%89%E4%BA%8E%E4%B8%8A%E5%BA%95%E9%9D%A2%E5%8D%8A%E5%BE%84%E7%9A%843%E5%80%8D%2C%E6%B1%82%E8%BF%99%E4%B8%AA%E5%9C%86%E5%8F%B0%E7%9A%84%E4%B8%8A%E5%BA%95%E9%9D%A2%E5%8D%8A%E5%BE%84.)
xRN@Y"V[bbҲgGX1ʅ1QTJ(`涰3mPP&.̜:Qr)SI6sSJ]~kVق1(`Apd
`"v%a"u0yʂ{5jOL(=N-[Px
La9c
ӂI_n 8}\
r컡SKx2&4U'P%o%eqY3i2CؙUxX>ٿ!(&zp71cp%~
p?Ne<0tLIXId^[eo EKͤy1iG%P"nV6RP ҆` ,6$O55dsA7o-E-YəRG/4zoߠM(jPkZE=줹/~zg<