Answer:
_Area top_= √1/4(a+b+c)(b+c−a)(c+a−b)(a+b−c) + _Area bottom_ √1/4(a+b+c)(b+c−a)(c+a−b)(a+b−c)+ Area lateral =h(a+b+c)
1) Surface Area: 76,017.691
√V=1/4h(a+b+c)(b+c−a)(c+a−b)(a+b−c)
2) Volume: 631,332.519
Volume - given empty space
3) 631,332.519 - 335,954.96= 295,377.559
Percentage of 335,954.96 in 631,332.519=
Bonus Question) 53.21%
Explanation: