Please help, I had to miss the class to take the SAT and I don’t get what’s going on here, thank you!

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Can you me find the slope! (30 points)