Which relations represents a function? Place a checkmark in the box for all that apply

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

What two criteria are needed for triangles to be similar

Hi my sisters and brothers can tell me the answer because i don’t understand the question