Question

The universally accepted film size for movies has a width of 35 millimeters. If you want to project a movie onto a square sheet that has an area of ​​100 square meters, what is the scale factor that is needed for the projection of the movie? Explain

Answer 1

The scale factor is 285.7143 ≅ 286.

Explanation:

The square sheet has an area of 100 square meters.

Hence, the width of the sheet is
`√(100) = 10` meters.

The scale factor is needs to be in such a way, so that the film's wide will be match perfectly with the square sheet. Hence, 35x millimeters = 10 meters = 10000 millimeters .

`x = (10000)/(35) = 285.7143`.