question: Complete the next sentence:

How to calculate the area of a rectangle
Understand the rectangle.
The rectangle is a quadrilateral, which means it has four sides. Its opposite sides are equal in length, so the sides along its length are equal, and the sides along its width are equal as well.

answer: If one side of the rectangle is 10, for example, then the opposite side's length will also be 10. Also, every square is a rectangle, but not all rectangles are squares.

question: Complete the next sentence:

A man is standing at the foot of a large wall. he

answer: is stretching and staring at it looking like he might climb it.

question: Complete the next sentence:

How to buy cdma cell phones
Determine if you want to buy a new or used cdma cell phone.
New cdma cell phones can usually be activated immediately; whereas used cdma cell phones may take weeks or months to activate depending on the account status of the previous phone's owner.
Choose a venue from which to buy the cdma cell phone.

answer:
You can buy new, refurbished, or used cdma phones from your service provider, from any authorized cdma cell phone dealer, or from the internet. Buy a cdma cell phone from your service provider.