cual es el área de este pentágono?
Ayuda pliss

Adjuntos:

Respuestas

Respuesta dada por: wwwluis45m
3
solución:

Formula del Área pentágono

A= (perimetro* Apotema)/2

Datos:

P=35 cm

Ahora calculamos el apotema

Ap= L/(2 tan (θ))
donde
L= longitud del lado

como calcular θ
θ=360°/2*n

donde
n= numero de lados en este caso
n= 5 ya que es un pentágono

Entonces:
θ=360°/2*5
θ=36°


ahora si calculemos el apotema
Ap= 7/(2 tan (36°))
Ap= 4.81cm

calculando el área

A= (perimetro* Apotema)/2

A=(35*4.81)/2

A=84.175cm^2

Espero haberte ayudado




Respuesta dada por: inukun79
0

Respuesta

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