Find the perimeter and area of each figure made of algebra tiles below. Homework Help ✎
Remember, the small square is a unit tile, which is a 1 × 1 square.
The dimensions have been placed on the algebra tiles for you.
4x + 4 units
Looking at the algebra tiles below, do you understand why the length of one side is labeled x − 1?
Since part of the side with length x touches the unit tile, the side that is included in the calculation of the perimeter is x − 1.
Refer to parts (a) and (b).