*The answer is A. 24.*
All you have to do is back solve. In other words, just plug your answer choices into the equation.
Answer:
Total surface area of the prism =145.32 Square centimeters
Step-by-step explanation:
The given figure is a rectangular prism with the given dimensions of :
length(L)= 10.3 cm
Width(W)=2.2 cm
Height(H)=4 cm
Total surface area of the rectangular prism is:

Total surface area of the prism is 145.32 Square centimeters
Lol i dont think i can look at your profile and see the question
1. 40/60 + 15/60 + 24/60 + 10/60 = 1.48
2.30/60 + 20/60 + 15/60 + 12/60 + 10/60 = 1.45
I got 0.7071067812
Hope this helps