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Question 1

Prism width 3 mm, length 4 mm, height 8 mm.

The surface area of this rectangular prism is:

check answer for question 1.

Question 2

This tent made from waterproof cloth, including the ground sheet, is in the shape of a triangular prism.


Detailed description

a The area of one triangular side is:
check answer for question 2a.
b The area of the ground sheet is:
check answer for question 2b.
c The area of one of the slant sides is:
check answer for question 2c.
d The amount of fabric needed to make the tent is:
check answer for question 2d.