You cannot. The missing side can have any value greater than 0 and less than the sum of the five known sides - and there is no way to know which.
The perimeter of the hexagon is 6 times 15 = 90 cm
A hexagon has 6 sides of equal length. The perimeter of a hexagon with a side length of 8mm = 6 x 8mm = 48mm.
If the hexagon isn't regular, then the formula is: Perimeter = (side-1 length)+(side-2 length)+(side-3 length)+(side-4 length)+(side 5 length)+(side-6 length) If the hexagon is regular, then the formula is: Perimeter = 6 x (length of any side)
To find the area of a regular hexagon, you can use the formula: Area = (Perimeter × Apothem) / 2. The perimeter of the hexagon is 6 times the side length, so for a side length of 2 cm, the perimeter is 12 cm. Substituting the values into the formula gives: Area = (12 cm × 1.7 cm) / 2 = 10.2 cm². Thus, the area of the hexagon is 10.2 cm².
The perimeter of a regular hexagon can be calculated by multiplying the length of one side by the number of sides. Since a hexagon has 6 sides, the perimeter is (8 , \text{cm} \times 6 = 48 , \text{cm}). Therefore, the perimeter of the regular hexagon is 48 cm.