5. (10 points) On a horizontal straight line, a square and two isosceles right triangles are placed. If the area of the square placed diagonally is 6 square centimeters, then the total area of the shaded parts is $\qquad$ square centimeters.
【Answer】Solution:
The sum of the areas of the two shaded parts is $6 \div 2=3$ (square centimeters). Therefore, the answer is 3.