52.9k views
3 votes
20 points!
Please help urgent!

20 points! Please help urgent!-example-1

2 Answers

3 votes
10ft*9ft*4(the amount of faces with this dimension)=360ft^2
Then add 10ft*10ft*2(the amount of faces with this dimension)=560ft^2
User Noontz
by
7.3k points
7 votes
The surface area is 540 square feet because you can find the area of each face (lw) and that is 90. 90*6=540
User Krypton
by
6.8k points