Question
In the cube shown below, the difference in length between line segment QR and line segment PQ is approximately what percentage of the distance from P to R?
Answer: Option C
:
C
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:
C
Assume the side of the cube =5
Length of body diagonal = QR = 5√3
PQ= 5√2
QR-PQ ≈ 1.5
PR= 5
⇒Required percentage = 1505 = 30%
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