The area of the square in the picture is 12 square centimeters. What's the area of the shadow?
3.14 × 12 × 34 = 37.68 × 34 = 28.26 (square centimeter) a: the area of shadow is 28.26 square centimeter
3.14 × 12 × 34 = 37.68 × 34 = 28.26 (square centimeter) a: the area of shadow is 28.26 square centimeter