Answer:
317.3 units³
Step-by-step explanation:
Volume of the triangular pyramid = ⅓*Base area*height of pyramid
Height of pyramid = 17 units
Base area = ½*b*h = ½*8*14 = 56 unit²
Volume = ⅓*56*17 = 317.333333 ≈ 317.3 units³
