Question

The lengths, in cm, of the sides of a triangle are 3x – 5, 2x – 1 and x + 1 (a) Write down an expression, in terms of x, for the perimeter of the triangle.

Answer 1

Explanation:

Given

The side lengths of a triangle are

Perimeter(P) is the sum of the side length of the triangle i.e.

Therefore, the perimeter of the triangle is