Question

A rectangle has an area 18sq cm.id its length and width are wjole numbera.what is its greatest possible perimeter

Answer 1

Answer:

38cm

Step-by-step explanation:

1. The perimeter of a square can be found with the formula$2 \times (width + length)$

2. Since its length and width are whole numbers, it must be either

1 x 18,

2 x 9 or

3 x 6

3. Using the formula in step 1, we can found that the perimeter in these cases are

38

22

18

respectively

4. Compare those perimeter we found in previous step, it's obvious that the greatest is 38. Solved.