A pencil holder shaped like a traingular prism is shown in the picture. The height of the pencil holder is 10 cm, and the volume of the pencil holder is 300cm.
What is the Area of the base of the pencil holder in square centimeters

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never