Question

It is known that 15.6≤P≤15.8. Find the possible values of the side of a square if P is the perimeter of the square.

Answer 1

Possible values of the side of a square is:

3.9≤s≤3.95

Explanation:

15.6≤P≤15.8 where P is the perimeter of square

We know that perimeter of square= 4s where s is the length of side of squares

so, 15.6≤4s≤15.8

Dividing all sides by 4, we get

3.9≤s≤3.95

Hence, possible values of the side of a square is:

3.9≤s≤3.95

Answer 2

3.9 ≤ s ≤ 3.95

Explanation:

The perimeter is 4 times the side length, so the inequality is essentially ...

P = 4s

15.6 ≤ 4s ≤ 15.8 . . . . . . substitute the expression that uses side length

3.90 ≤ s ≤ 3.95 . . . . . . divide by 4