Current location - Training Enrollment Network - Mathematics courses - About the math problem of the third grade of projection (urgent)
About the math problem of the third grade of projection (urgent)
Because these two parallel bars are on the same plane and parallel, the projection result of light, whether it is parallel light like sunlight or non-parallel light like light, is parallel.

Imagine that the shadow of a square plate is parallel on both sides.

So as long as it is on the same plane and the projections of two parallel straight lines are parallel, it has nothing to do with light! thank you