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

Good job! I liked that you should most of the work, but next time how you arrived at the answers for question 12 and add a link or video.

ReplyDeleteGreat post John. It was great you have the answers for the questions and show how you got to the answers for some of them.For number 12 you should show how you got that answer and also add a video and a link.

ReplyDelete