What does that x2 mean? 2x? or x^2?
The perimeter is the sum of all side lengths of a given shape, and can be computed by adding up all of the side lengths.
So in this case, it would be 15 x 2 + 13 x 2 the sum of them would be equal to the perimeter of the object, I believe.
Answer:
b
Step-by-step explanation:
b