Answer:
The perimeter is 6x + 7
Explanation:
The lengths of the sides of the triangle are as follows:
Bottom part = x
Another side = 4x + 1
The last side = x + 6
The perimeter is the addition of the side lengths.
P = x + (4x + 1) + (x + 6)
Collect like terms
x + 4x + x + 1 + 6
= 6x + 7
