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Alguien me ayuda xf..!
El heptágono tiene 7 lados y su formula es:
(p × a) / 2
Entonces:
P = 4.5 × 7
P = 31.5
Aplicamos (p × a) / 2:
A = 31.5 × 2.5 = 77.5
A = 77.5 ÷ 2
A = 38.75
R. El área es 38.75 cm².