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1、名称名称 半径半径直径直径高高圆柱圆柱名称名称 半径半径直径直径高高圆柱圆柱2dm2dm2dm2dm3dm3dm3dm3dm名称名称 半径半径直径直径高高圆柱圆柱dmdmdmdm2dm2dm2dm2dm3dm3dm3dm3dm名称名称 半径半径直径直径高高圆柱圆柱dmdmdmdm2dm2dm2dm2dm3dm3dm3dm3dm5cm5cm5cm5cm18cm18cm18cm18cm名称名称 半径半径直径直径高高圆柱圆柱dmdmdmdm2dm2dm2dm2dm3dm3dm3dm3dm5cm5cm5cm5cm1 1 1 1cmcmcmcm18cm18cm18cm18cm名称名称 半径半径直径直径高
2、高表面积表面积圆柱圆柱dmdmdmdm2dm2dm2dm2dm3dm3dm3dm3dm5cm5cm5cm5cm1 1 1 1cmcmcmcm18cm18cm18cm18cm名称名称 半径半径直径直径高高表面积表面积圆柱圆柱dmdmdmdm2dm2dm2dm2dm3dm3dm3dm3dm.dmdmdmdm5cm5cm5cm5cm1 1 1 1cmcmcmcm18cm18cm18cm18cm722.2cm722.2cm722.2cm722.2cm名称名称 半径半径直径直径高高表面积表面积体积体积圆柱圆柱dmdmdmdm2dm2dm2dm2dm3dm3dm3dm3dm.dmdmdmdm.dmdmdm
3、dm5cm5cm5cm5cm1 1 1 1cmcmcmcm18cm18cm18cm18cm722.2cm722.2cm722.2cm722.2cm1413cm1413cm1413cm1413cm名称名称 半径半径直径直径高高表面积表面积体积体积圆柱圆柱dmdmdmdm2dm2dm2dm2dm3dm3dm3dm3dm.dmdmdmdm.dmdmdmdm5cm5cm5cm5cm1 1 1 1cmcmcmcm18cm18cm18cm18cm722.2cm722.2cm722.2cm722.2cm1413cm1413cm1413cm1413cm名称名称 半径半径直径直径高高表面积表面积体积体积圆柱圆柱
4、dmdmdmdm2dm2dm2dm2dm3dm3dm3dm3dm.dmdmdmdm.dmdmdmdm5cm5cm5cm5cm1 1 1 1cmcmcmcm18cm18cm18cm18cm722.2cm722.2cm722.2cm722.2cm1413cm1413cm1413cm1413cm名称名称 半径半径直径直径高高表面积表面积体积体积圆柱圆柱dmdmdmdm2dm2dm2dm2dm3dm3dm3dm3dm.dmdmdmdm.dmdmdmdm5cm5cm5cm5cm1 1 1 1cmcmcmcm18cm18cm18cm18cm722.2cm722.2cm722.2cm722.2cm1413c
5、m1413cm1413cm1413cm圆锥圆锥名称名称 半径半径直径直径高高表面积表面积体积体积圆柱圆柱dmdmdmdm2dm2dm2dm2dm3dm3dm3dm3dm.dmdmdmdm.dmdmdmdm5cm5cm5cm5cm1 1 1 1cmcmcmcm18cm18cm18cm18cm722.2cm722.2cm722.2cm722.2cm1413cm1413cm1413cm1413cm圆锥圆锥3cm3cm3cm3cm10cm10cm10cm10cm名称名称 半径半径直径直径高高表面积表面积体积体积圆柱圆柱dmdmdmdm2dm2dm2dm2dm3dm3dm3dm3dm.dmdmdmdm.
6、dmdmdmdm5cm5cm5cm5cm1 1 1 1cmcmcmcm18cm18cm18cm18cm722.2cm722.2cm722.2cm722.2cm1413cm1413cm1413cm1413cm圆锥圆锥3cm3cm3cm3cm6cm6cm6cm6cm10cm10cm10cm10cm名称名称 半径半径直径直径高高表面积表面积体积体积圆柱圆柱dmdmdmdm2dm2dm2dm2dm3dm3dm3dm3dm.dmdmdmdm.dmdmdmdm5cm5cm5cm5cm1 1 1 1cmcmcmcm18cm18cm18cm18cm722.2cm722.2cm722.2cm722.2cm141
7、3cm1413cm1413cm1413cm圆锥圆锥3cm3cm3cm3cm6cm6cm6cm6cm10cm10cm10cm10cm1 1 1 1cmcmcmcm15cm15cm15cm15cm名称名称 半径半径直径直径高高表面积表面积体积体积圆柱圆柱dmdmdmdm2dm2dm2dm2dm3dm3dm3dm3dm.dmdmdmdm.dmdmdmdm5cm5cm5cm5cm1 1 1 1cmcmcmcm18cm18cm18cm18cm722.2cm722.2cm722.2cm722.2cm1413cm1413cm1413cm1413cm圆锥圆锥3cm3cm3cm3cm6cm6cm6cm6cm10
8、cm10cm10cm10cm5cm5cm5cm5cm1 1 1 1cmcmcmcm15cm15cm15cm15cm名称名称 半径半径直径直径高高表面积表面积体积体积圆柱圆柱dmdmdmdm2dm2dm2dm2dm3dm3dm3dm3dm.dmdmdmdm.dmdmdmdm5cm5cm5cm5cm1 1 1 1cmcmcmcm18cm18cm18cm18cm722.2cm722.2cm722.2cm722.2cm1413cm1413cm1413cm1413cm圆锥圆锥3cm3cm3cm3cm6cm6cm6cm6cm10cm10cm10cm10cm94.2cm94.2cm94.2cm94.2cm5
9、cm5cm5cm5cm1 1 1 1cmcmcmcm15cm15cm15cm15cm.cmcmcmcm1 1、判断、判断、判断、判断(1 1)圆柱的体积是圆锥的)圆柱的体积是圆锥的)圆柱的体积是圆锥的)圆柱的体积是圆锥的3 3倍。倍。倍。倍。()(2 2)圆柱的底面积越大,体积越大。)圆柱的底面积越大,体积越大。)圆柱的底面积越大,体积越大。)圆柱的底面积越大,体积越大。()(3 3)圆锥的底面积是圆柱的)圆锥的底面积是圆柱的)圆锥的底面积是圆柱的)圆锥的底面积是圆柱的3 3倍,高相等,倍,高相等,倍,高相等,倍,高相等,体积也相等。体积也相等。体积也相等。体积也相等。()2 2、完成练习五第、完成练习五第、完成练习五第、完成练习五第2 2题题题题3 3、一个圆柱形铁块,高、一个圆柱形铁块,高、一个圆柱形铁块,高、一个圆柱形铁块,高12cm12cm,底面直径,底面直径,底面直径,底面直径8cm8cm,把它熔铸成一个底面半径把它熔铸成一个底面半径把它熔铸成一个底面半径把它熔铸成一个底面半径6 6厘米的圆锥形铁锥,铁锥厘米的圆锥形铁锥,铁锥厘米的圆锥形铁锥,铁锥厘米的圆锥形铁锥,铁锥的高是多少的高是多少的高是多少的高是多少cm?cm?