John's Volume Scribe

4.Determine the volume of each right triangular prism.
a.V=(b x h /2) x height of prism
  V=(7cm x 12cm /2) x 7cm
  V=294cm3
b.V=(b x h /2) x height of prism
  V=(8.1m x 15m /2) x 2.2m
  V=133.65m3
c.V=(b x h /2) x height of prism
  V=(320mm x 400mm /2) x 210mm
  V=13 440 000mm3

12.Copy and complete the following table.
     Right Rectangular Prism
   Length(cm) Width(cm) Height(cm) Volume(cm3)
a.      7                 2                   ?                70
b.     12                ?                  10               1080
c.       ?                14                5                1200
Ans.
a.10
b.12
c.20

14.A glass vase in the shape of a right triangular prism is filled with colored sand as a decoration in a living room. What is the volume of the vase?
V=(b x h /2) x height of prism
V=(15cm x 80cm /2) x 8cm
V=4800cm3