SOLUTION: Suppose a person is 300 cm from a camera lens, and the film is 1.3 cm from the lens. If the person is 180 cm tall, how tall is his image on film?

Algebra ->  Triangles -> SOLUTION: Suppose a person is 300 cm from a camera lens, and the film is 1.3 cm from the lens. If the person is 180 cm tall, how tall is his image on film?      Log On


   

Question 775665: Suppose a person is 300 cm from a camera lens, and the film is 1.3 cm from the lens. If the person is 180 cm tall, how tall is his image on film?
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
Proportion based on similar triangles.
h is "tallness" on the film image.
h%2F180=1.3%2F300 and h will be centimeters.

h=1.3%28180%2F300%29 cm.
h=1.3%2818%2F30%29=1.3%283%2F5%29
h=1.3%2A%280.6%29=1.014 cm

Best answer would be highlight%281.01%29 cm or highlight%28101%29 mm.