Respuesta :

Answer:

63,616 ft³

Step-by-step explanation:

Volume of triangular pyramid = ⅓(base area * height of pyramid)

Base area = ½*b*h

b = 71 ft

h = 84 ft

Base area = ½*71*84 = 2,982 ft²

Height of pyramid = 64 ft

Plug in the values

Volume of triangular pyramid = ⅓(2,982*64)

= 63,616 ft³

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