Answer: a, 7ft
Step-by-step explanation:
624 + 70 = 694
( I think this might be the answer, depending on if it's basic math compared to a more specific subject.)
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>
Answer:
A- Margaret gre at a faster rate than Donavan
Step-by-step explanation:
