《图形计算公式》知识点总结课件 =×2,c=×2 =边长×4,c=4a =长×宽,S=ab =边长×边长,S=a*a=a2 =底×高÷2,S=ah÷2 =底×高,S=ah =×高÷2,S=h÷2 =半径×2,d=2r,半径=直径÷2,r=d÷2 =圆周率×直径=圆周率×半径×2,c=πd=2πr =圆周率×半径×半径,S=πr2 =×2 =长×宽×高,V=abh =棱长×棱长×6,S=6a2 =棱长×棱长×棱长,V=a*a*a=a3 =底面圆的周长×高,S=ch =上下底面面积+侧面积 S=2πr+2πrh=2π+2πh=2π+ch =底面积×高,V=Sh,V=πrh=πh=πh =底面积×高÷3,V=Sh÷3=πrh÷3=πh÷3=πh÷3 课件
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