Answer:
-17.76
Step-by-step explanation:
Don't have a full explanation, but I'm pretty sure this is correct. I hope it helps, Good Luck!!
Youre answer would be
<span> 620,000 hope this helps!!!</span>
Prism means two bases of equatorial triangle
So
Total area of bases
Total Lateral surface area
So
TSA:-
Relly made error in LSA
10+30+53=93 divided by 3 = 31 your answer is 31.