11. Each small square on the grid shown below has a side length of 1 cm. Each vertex of the shaded region lies on a vertex of a small square. What is the area, in square centimeters, of the shaded region?
Your Answer is
Correct Answer is B
Explanation
A=7×2÷2+5×5÷2+2×2÷2+3×1÷2=23. Choose B.