2023學(xué)年完整公開(kāi)課版《圓柱的認(rèn)識(shí)》

圓柱的認(rèn)識(shí)說(shuō)一說(shuō)生活中所見(jiàn)到的圓柱形的物體？這些物體的形狀有什么共同點(diǎn)？茶葉它們都是圓柱體。/b60b/869.html/1d7c/863.html/ea86/851.html/979b/849.html/9032/869.html/9027/841.html/418a/876.html/3730/876.html/14c6/854.html/4718/892.html/20e9/869.html/58c9/865.html/cfc5/850.html/e639/850.html/09ff/865.html/3da6/862.html/17e4/867.html/e3ac/854.html/a842/870.html/b2c0/867.html/89aa/844.html/8845/879.html/0747/850.html/b1d2/866.html/68b6/861.html/94c1/874.html/06f5/864.html/cbd3/879.html/23a5/863.html/b7db/870.html/b734/873.html/98ed/856.html/c786/874.html/06a3/870.html/953c/846.html/f75f/861.html/24d7/852.html/4f13/875.html/1e24/880.html/1489/878.html/e301/865.html/aabd/863.html/6532/851.html/8a05/872.html/0538/855.html/b48b/860.html/2eb6/879.html/e057/840.html/3060/857.html/5700/860.html/42b2/868.html/c23e/852.html/57ec/875.html/2a0b/881.html/11aa/903.html/3773/879.html/b678/865.html/fe24/886.html/80a5/857.html/3bc2/883.html/f90d/863.html/58ae/879.html/6fd2/872.html/436a/853.html/3b02/846.html/39a0/881.html/d032/849.html/92ae/870.html/c538/874.html/f180/865.html/887b/863.html/cd34/869.html/d2e8/849.html/fb79/853.html/42a2/867.html/3773/880.html/1a15/851.html/92ae/868.html/3a3a/858.html/42b2/869.html/7865/863.html/6b58/843.html/ea4c/879.html/25c3/868.html/13f0/859.html/767b/851.html/6b3a/860.html/4773/843.html/584d/870.html/da22/856.html/7624/876.html/daf5/868.html/83d6/849.html/c29f/876.html/58f9/880.html/da7f/870.html/bb70/869.html/2577/868.html/e6a8/851.html/8011/870.html認(rèn)識(shí)圓柱體的底面和高底底圓柱的上、下兩個(gè)面叫做圓柱的底面。它們是完全相同的兩個(gè)圓。兩個(gè)圓柱有什么不同？高高圓柱兩個(gè)底面之間的距離叫做高。無(wú)數(shù)條OOOO側(cè)面?zhèn)让娴酌娴酌娴酌娴酌嬲J(rèn)識(shí)圓柱的側(cè)面并將其展開(kāi)看看是什么形狀？側(cè)面長(zhǎng)方形的長(zhǎng)底面周長(zhǎng)圓柱周圍的面（上、下底面除外）叫做側(cè)面，側(cè)面展開(kāi)得到一個(gè)長(zhǎng)方形。長(zhǎng)方形的長(zhǎng)=圓柱底面的周長(zhǎng)，寬=圓柱的高小結(jié)圓柱的特征：1