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Площади фигур

Площади фигур. а b h b a. 1) S= ab 2) S= abh 3) S=ah 4) S=½ah. 1. параллелограмм. 2. треугольник. a b

nigel-austin
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Площади фигур

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  1. Площади фигур а b h b a 1)S=ab 2) S=abh 3) S=ah 4) S=½ah 1.параллелограмм

  2. 2.треугольник a b h c S=abc S=hc S=½ ah S=½ hc

  3. 3.прямоугольник a b b a S=a²b² S=ab S=2(a+b) S=2ab

  4. 4.трапеция a b b h c S=2b(a+c) S=½(a+c)h S=abc S=½ ac(b+h)

  5. 5.ромб A D B O C S=AB·BC S=½AC∙BD S=½AD∙AB S=AC·BD

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