Si la circunferencia de la tubería es de 20 pulgadas, la longitud apropiada para cortar el revestimiento es de ____ pulgadas (cm).
a. 22 a 23 (55,88 a 58,42)
b. 21 a 22 (53,34 a 55,88)
c. 23 a 24 (58,42 a 60,96)
d. 23-1/2 a 24-1/2 (59,69 a 62,23)
a. 22 a 23 (55,88 a 58,42)
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