The perimeter of the triangle is 48cm, and one of the sides is 18. Find the other two sides if their difference is 4.6cm.

It is known from the condition that the perimeter of a triangle is 48 cm.It is also known that one of the sides of a triangle is 18 cm.We need to find the lengths of the other two sides of the triangle if it is known that the difference between the other two sides is 4.6 cm.

Let’s start by denoting the length of one of the unknown sides with the variable x, then the length of the second unknown side can be written as (x + 4.6).

We get the equation:

x + x + 4.6 + 18 = 48;

2x = 48 – 18 – 4.6;

2x = 30 – 4.6;

2x = 25.4;

x = 25.4: 2;

x = 12.7 cm is the length of the second side, and 12.7 + 4.6 = 17.3 cm is the length of the third side.