A rectangle has perimeter 20m. Express the area of the rectangle as a function of the length of one of its sides.
Thanks for the help.
Thank you so much, I understand that one now. But now I am again stuck on one more questions.
Express the surface area of the a cube as a function of the its volume.
Step 1.
Step 2. surface area of cube =
Step 3. answer:
Step 4. surface area of cube =
Am I correct?