12
The perimeter of a square with sides of 23 centimetres is equal to 23 x 4 = 92 centimetres.
When finding the perimeter on a grid, you only count the outer edges because the perimeter is defined as the total distance around the shape. The spaces inside the grid do not contribute to the boundary or outline of the shape, so they are irrelevant to the calculation. Thus, only the edges that form the outline are measured to determine the perimeter.
A perimeter is a measure of length and so cannot be 16 square centimetres - which is a measure of area. As it happens, a square with a perimeter of 16 centimetres will have sides of 4 cm and so an area of 16 square centimetres.
Hcucugi
Perimeter = pi*diameter = 113.1 cm
Each side of the square would be three centimetres. Therefore, the perimeter would be (3 x 4) = 12 centimetres.
Perimeter = 4*3.2 = 12.8 cm
When finding the perimeter of a figure on a grid, you only count the lengths of the outer edges of the shape, not the spaces inside. The perimeter measures the total distance around the outside of the figure, while the spaces within do not contribute to this distance. Thus, only the boundary lines that outline the figure are relevant for calculating the perimeter.
40cmIf the square has an area of 100 square centimetres, then each side is 10 centimetres long. With four sides, this gives a perimeter of 10 x 4 = 40 centimetres.
A decagon has 10 sides, therefore, with side length 13.5 centimetres, the perimeter would be 13.5 x 10 = 135 centimetres.
That's because "perimeter" means the distance around something - not the spaces inside. If you count squares inside a figure, you are finding the AREA, not the PERIMETER.
49 square centimetres.