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how do i find the size of an object based on the size that I see it as?

Posted: October 27, 2009 at 1:36 pm 2 Comments

This is like a golf pin range finder. I know the height of the object, 28 inches, and I know that i'm looking through the range finder tube at about 12 inches. What would the height of the object be when I'm looking thru the tube at 20 yards (720 inches)?

2 Comments »

twizzlestraw said:

Easy. Just use proportions.
x = the height of the object
12 / 28 or 3 /7 = 720 / x
cross multiply
3x = 5040
x = 1680″ = 560 yards

# 27 October 2009 at 1:47 pm

turkeycreekdogblue said:

to find the size time length x weight if it is perimeter add all sides if it is area time the lenght and weight
Example:25 put th 2 up top
25 you may put a zero or a x
_________ put the 1 up top of the two
125
50x
_____________________
620

# 27 October 2009 at 2:19 pm