Explicación paso a paso:
[tex]ejer2 \\ perimetro = 11 + 11 + 7.5 = 29.5cm \\ a = \frac{11 \times 7}{2} = \frac{77}{2} = 38.5 {cm}^{2} [/tex]
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Explicación paso a paso:
[tex]ejer2 \\ perimetro = 11 + 11 + 7.5 = 29.5cm \\ a = \frac{11 \times 7}{2} = \frac{77}{2} = 38.5 {cm}^{2} [/tex]