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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,圆柱和圆锥整理与练习1,圆柱和圆锥,圆柱,圆柱的认识,圆柱的表面积,圆柱的体积,圆锥,圆锥的认识,圆锥的体积,1,、圆柱的两个圆面叫做,;周围的面叫做,;两个底面之间的距离叫做,。一个圆柱的高有,条。,2,、圆柱的底面都是,,并且大小,;圆柱的侧面是,面。,底面,侧面,高,无数,圆面,相等,曲,圆柱的侧面展开后是,,这个,等于圆柱底面的周长,,等于圆柱的高。,长方形,长方形的长,长方形的宽,圆柱侧面积,=,。,S,侧,=,2r,h,圆柱的表面积,=,+,。,r,h,侧面积,底面积,2,底面周长,高,S,侧,=,c,h,下面哪个图是圆柱的展开图,并说明理由。,6.28,2,3,3,2,2,3,3,如何计算圆柱的体积,?,圆柱的体积,=,底面积,高,V=,s,h,V=,r,2,h,r,h,2,、圆柱和圆锥有什么共同点和不同点?,1,、圆锥的底面是个,,侧面是一个,面,从圆锥的顶点到底面圆心的距离是圆锥的,。,圆面,曲,高,V=,s,h,V=,r,2,h,r,h,圆锥的体积是与它等底等高,的圆柱体积的,1,3,4,S,侧,=,c,h,=,3.144,5,=62.8,S,表,=S,侧,2,S,底,=62.8,12.562,=62.8,25.12,=87.92,S,底,=,r,=,3.14,2,=12.56,87.92,V=,s,h,=,12.56,5,=62.8,62.8,S,侧,=,c,h,=,3.1410,8,=251.2,S,表,=S,侧,2,S,底,=251.2,78.52,=251.2,157,=408.2,S,底,=,r,=,3.14,5,=78.5,V=,s,h,=,78.5,8,=628,5,408.2,628,2.5,19.625,V=,s,h,1,3,1,3,3.142.5,3,=3.146.25,=19.625,1.2,1,3,3.140.6,1.8,=3.140.216,=0.67824,0.67824,S,侧,=,c,h,=,3.140.8,1.6,=3.141.28,=4.0192,表面积,S,侧,=,c,h,=,3.14152,20,=1884,S,表,=S,侧,2,S,底,=1884,706.52,=1884,1413,=3297,S,底,=,r,=,3.14,15,=706.5,彩带长,=4,条直径,4,条高打结处,15,厘米,15,4,20,4,15,=60,80,15,=155,(厘米),底面周长,侧面积,1,底面积,容积,S,侧,=,c,h,=,15.7,6,=94.2,94.2,19.625,=113.825(dm),S,底,=,r,=,3.14,(15.73.142),=19.625,V=,s,h,=,19.625,6,=117.75,V,柱,=,s,h,=,3.14(102),10,=3.14250,=785,V,长方体,=,ab,h,=,1111,9,=1219,=1089,
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