Inside a triangular prism

This task is about finding right angles on a triangular prism.
triangular-prism.png
 
a)  Build the triangular prism shown above using the sticks and blu-tack on the corners
     and label the corners as shown by sticking paper to blu-tack on the corners.
 
 

Show the model to your teacher before doing part b).

Question 1Change answer

b)  Select "Yes" if the triangle is a right angled triangle, otherwise select "No".
     Your model will help you decide.
Triangle
Is the triangle Right-angled?
(Select one)
i)     ADF YesNo
ii)    ABC YesNo
iii)   AFC YesNo
iv)   DCE YesNo
v)    BCF YesNo
vi)   ACE YesNo
vii)  BDE YesNo
viii) ADE  YesNo
ix)   BCD YesNo
x)    ABE YesNo