If you want detailed working then I am not the right person. c:
Answer:
C) Hot surface
Step-by-step explanation:
A hot surface cannot cause a fire or explosion..
It is a straight line of symmetry because if you have a paper A and you fold it, it will form a straight line, and that is also meaning a straight line of symmetry. If you fold it any other way, it will not be a line of symmetry.
Hope this helps you ;)
WHat shape? Perimeter is all of the sides added together, so to find out. we would need to see the shape and its dimensions
