Question

What’s a real life example of dilation for geometry?

Answer 1

The pupil of the eye can dilate. Pupils dilate if you are in darker locations to let more light enter the eye for site. However, if the pupils are very dilated, even when a light is shined on the eye, this indicates something is wrong with the patient. Pupil dilation is measured in millimeters.

Answer 2

A balloon being filled with gas and expanding.

Explanation:

The shape of the balloon does not change as it gets bigger but it's size grows.