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LUAS JAJAR GENJANG

LUAS JAJAR GENJANG. Luas jajar genjang = 1 t x a + 1 t x a 2 2 = a x t. Luas Persegi panjang 1= 1 d 1 x 1 d 2 2 2

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LUAS JAJAR GENJANG

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  1. LUAS JAJAR GENJANG Luasjajargenjang = 1 t x a + 1 t x a 2 2 = a x t

  2. LuasPersegipanjang 1= 1 d1 x 1 d2 2 2 = 1 d1 x d2 4 LuasPersegipanjang 2 = 1 d1 x 1 d2 2 2 = 1 d1 x d2 4 L. PersegiPanjang 1 + L. PersegiPanjang 2 = 1 d1 x d2 + 1 d1 x d2 4 4 Jadiluasbelahketupat = 1 d1 x d2 2 LUAS BELAH KETUPAT

  3. LUAS SEGITIGA Luassegitiga = 1 t x a 2 = a x t 2

  4. Luaspersegipanjang a = a x 1 t 2 Luaspersegipanjang b = b x 1 t 2 Luas PP a + Luas PP b = a x 1 t + a x 1 t 2 2 = 1 t (a+b) 2 Jadiluastrapesium = 1 t (a + b) 2 LUAS TRAPESIUM

  5. Luaspersegipanjang a = a x 1 t 2 Luaspersegipanjang b = b x 1 t 2 Luas PP a + Luas PP b = a x 1 t + a x 1 t 2 2 = 1 t (a+b) 2 Jadiluastrapesium = 1 t (a + b) 2 LUAS TRAPESIUM

  6. L1 = ½ x t L3 = ½ xt L2 = b x t L1 = L3 = ½ xt L = L1 + L2 + L3 = ½ x t + b t + ½ x t = x t + b t = (x + b)t = ½ (2x + 2b)t = ½ (2x + b + b ) t L = ½ (a + b) t Ladiluastrapesiumsama kaki adalah L = ½ t (a + b) LUAS TRAPESIUM

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