一道gmat数学题.In the figure above,V represents an observation po
一道gmat数学题.
In the figure above,V represents an observation point at one end of a pool.From V,an object that is actually located on the bottom of the pool at point R appears to be at point S.If VR = 10 feet,what is the distance RS,in feet,between the actual position and the perceived position of the object?
答案是10-5根号3.
In the figure above,V represents an observation point at one end of a pool.From V,an object that is actually located on the bottom of the pool at point R appears to be at point S.If VR = 10 feet,what is the distance RS,in feet,between the actual position and the perceived position of the object?
答案是10-5根号3.
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