Find the perimeter of a pentagon, all sides of which are 6 cm, write down its perimeter using different actions.

Find the perimeter of a pentagon, all sides of which are 6 cm, write down its perimeter using different actions. How long is a side of a hexagon with the same perimeter and equal sides?

Find the perimeter of the pentagon in which all sides are equal.

a = 6 cm.

P = a + a + a + a + a.

P = 5 * a.

1 way.

P = 6 + 6 + 6 + 6 + 6;

P = 30 cm.

Method 2.

P = 5 * 6;

P = 30 cm.

Let’s calculate the length of the side of the hexagon if they are the same and the perimeter is 30 cm.

P = 6 * a.

30 = 6 * a.

a = 30: 6.

a = 5 cm – the length of the side of the hexagon.

Answer: The perimeter of the pentagon is 30 cm, the length of the side of the hexagon is 5 cm.