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AC³ = 64+36
AC = 10
EC² = AB² +BC²+AE²
AE² = EC² - AB²- BC²
AE² = 125 - 64 - 36 = 25
AE = 5
luas AEC = 1/2 x AC x AE = 1/2 (10)(5) = 25
LuasABC =1/2 (AB)(BC) = 1/2 (8)(6) = 24