(1) 132.67 square meters
(2) 379.94 square meters
Explanation:
A barn is in the shape of a rectangle with each corner angle a right angle.
Since, goat is tied at a corner of the barn, so she would be able to graze the grass of sector of circle with radius (r) = 13 m.
Area of field grazed by goat = area of sector of circle

