Question

The expression 9n + 3 represents the perimeter (in meters) of the triangle. Write an expression in the simplest form that represents the measure of the third side

Answer 1

Answer:

4n+2

Step-by-step explanation:

1. add all sides =9n+3
2. 3n+2+2n-1=9n+3
3. add liketerms 5n+1=9n+3
4. put liketerms together 9n-5n+3-1
5. ans hence is 4n+2