Answer:
Area = 249.4 m^2
Explanation:
Area = (base x altura)/2 = A = (b x a)/2
12^2 + a^2 = 24^2144 + a^2 = 576
a^2 = 576-144
a = raíz cuadrada de 432
a = 20.78
Area = (24 x 20.78)/2 =
Área = 249.4 m^2
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