27. A 6-inch-by-6-inch squares grid shown below is divided into 36 squares, each with a side length of 1 inch. Each vertex of the 2 shaded triangles lies at an intersection of 2 grid lines. What fractional part of the 6-inch-by-6-inch square is shaded ?

Answer and Explanation

Your Answer is

Correct Answer is C

Explanation

The sum of the areas of the two triangles in the shaded part is (2*4/2)+(4*6/2)=16, and the area of ​​the square is 6*6=36, so the proportion of the shaded part is 16/36= 4/9