Congruency means that two figures or items are exactly the same size and shape. Where in life would it be vitally important for two or more items to be congruent?

Can you give me ideas or examples about:

the with wings of an airplane and tires of a car.
Please! Please! Please!

1 answer

well, wings are symmetrical port and starboard but not identical

replacement cartridges for your printer.

DVDs

most replacement machinery parts
for example new nut for bolt.