Question

The perimeter of the triangular park shown on the right is 12x - 6. . What is the missing​ length?​

Answer 1

8x - 4

Explanation:

Perimeter is the sun of all side lengths. We know the perimeter and two side lengths, so on order to find the third, we need to subtract the first two lengths from the sum. After subtraction, we get 8x - 4.