13. = ⅓ Therefore, Next Volume of Volume of ⅓ x base area x height
14. Exercise 3.1 Calculate the volume of the pyramid Step 1 : (Volume of prism) cross-sectional area x height x = cm 3 Step 2 : (Volume of pyramid) ⅓ x volume of prism = = = ⅓ x = cm 3 OK Hints 13cm 2.5cm 17cm
15. Quiz 2 Calculate the volume of the pyramid cm 3 15cm 3cm 24cm OK Hints
16. Test Q1 Calculate the volume of the package box cm 3 80cm 50cm 30cm OK Hints
18. Test Q3 If the base area and the height of pyramid is same as another prism, what is the ratio of volume of pyramid and prism? OK Hints ? : ?
19. Test Q4 Compare with 2 prism, which of the follow statement is true? A. The volume of Prism 1 is larger B. The volume of Prism 2 is larger C. The volume of Prism 1 & 2 is same D. None of the above OK Hints 2cm 5cm 3cm Prism 1 1.5cm 1cm 22cm Prism 2
20. Test Q5 Compare with 2 pyramid, which of the follow statement is true? A. The volume of Pyramid 1 is larger B. The volume of Pyramid 2 is larger C. The volume of Pyramid 1 & 2 is same D. None of the above OK Hints Pyramid 1 3cm 7cm 3.5cm 2cm 2cm 15cm Pyramid 2