Answer
I am positive it us 4x = 14 I truly apologize if it's not.
Step-by-step explanation
Answer:
choice 2) 2/9h
Step-by-step explanation:
Divide the box into two parts for easy way answer
For cube:-
TSA
Cancel one side area
For triangular pyramid:-
Area of one base
- 0.5(Base)(Height)
- 0.5(12)(15)
- 6(15)
- 90cm^2
Area of four sides=90(4)=360cm^2
<h3>Total surface area:-</h3>