90 degree angles -Depends on how large your triangle is
2(4)+2(6)=20cm^2 because opposite sites in a parallelogram are always the same length
Answer:
-2 -1 0 1 are the only integer solutions
It would take her 10 hours. If it is double the time for one person to complete the task versus two, you can guess that the other person takes the same amount of time
The volume would be 8ft because the formula for volume is length x width x height. Since they are all 2ft the formula would be 2ft x 2ft x 2ft.