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A Rectangular billboard 9 feet in height stands in a field so that its bottom is 10 feet above the ground. A nearsighted cow with eye level at 4 feet above the ground stands x feet from the billboard.?
Wiki User
∙ 10y ago
Not enough information is supplied.
You will be trying to find the Hypotenuse of the Triangle that is formed by the distance from the sign (x feet), and the height of what it is looking at (avg of 14.5 ft if looking at the center of the sign), but the height above the Cow's eye is (14.5-4.0)=10.5ft. So you will use 10.5 as the height.
You still need to know:
1. The angle of its gaze.
2. How far it can see clearly.
The SINE of the Angle equals, Opposite Side/Hypotenuse
Then the Hypotenuse equals, H= 10.5/Sine of Angle
If the Hypotenuse is LESS than the Cow's maximum vision, then it can see the sign.
Wiki User
∙ 10y ago
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