Answer: 81 mm^2
Step-by-step explanation: All the sides are the same length and area is just length * width so 9*9=81. You're welcome
Sphere is ur answer to ur question
Answer:
<h2>-25b + 101</h2>
Step-by-step explanation:

The answer is No, the cube will not fit because 4 cubic feet is 48 inches, and the bookshelf is only 12 inches, Therefore, the cube is basically larger than the bookshelf. Hope this helps and sorry I’m late.
If two angles are equal then the other angles will also be equal