CPM Homework Help : AC Problem 1-5

The area of the rectangle below is $24$ square units. On graph paper, draw and label all possible rectangles with an area of $24$ square units. Use only whole numbers for the dimensions (measurements).

$\text{Area}=24\;\text{square units}$

Answer:

$1$ by $24$ , $2$ by $12$ , $3$ by $8$ , and $4$ by $6$

Find the perimeter of each of these rectangles. You may want to refer to the Math Notes box for this lesson for more information on the perimeter of a figure.
Hint (a):
The perimeter is the distance around the outside of a figure.
Answer (a):
$50$ , $28$ , $22$ , and $20$ units
Of these rectangles, which has the largest perimeter? Which has the smallest perimeter? Describe these shapes. Remember to use complete sentences.
Answer (b):
The largest perimeter is a thin rectangle, P = $50$ units;
the smallest is close to a square shape, P = $20$ units.