The first side of the triangle is 3.6 cm, the second is 1 whole 1/3 times longer than the first

The first side of the triangle is 3.6 cm, the second is 1 whole 1/3 times longer than the first, and the length of the third is 2/3 of the length of the first. Find the perimeter of the triangle.

1. Let’s calculate the length of the second side of the triangle, if it is known that it is 1 1/3 times longer than the first side, which is 3.6 cm.
1 1/3 * 3.6 = 4/3 * 36/10 = 144/30 = 4.8 cm.
2. Find out the length of the third side of the triangle if it is known that it is 2/3 of the length of the first side.
3.6 * 2/3 = 36/10 * 2/3 = 72/30 = 2.4 cm.
3. Next, calculate the perimeter of the given triangle. To do this, add the lengths of all its sides.
3.6 + 4.8 + 2.4 = 10.8 cm.
Answer: The perimeter of a given triangle is 10.8 cm.