Q.

A line of 12 cm length is perpendicular to profile plane and the least distance from this line to profile plane is 6 cm. This is at a distance of 4 cm from the vertical plane and 5 cm from the horizontal plane. What is distance from the point on line far away from the profile plane to profile plane?

A. 12 cm
B. 9 cm
C. 18 cm
D. 6 cm
Answer» C. 18 cm
Explanation: given a line of 12 cm length is perpendicular to profile plane and the least distance from this line to profile plane is 6 cm. this is at a distance of 4 cm from vertical plane and 5 cm from the horizontal plane. so the distance from the point on line far away from the profile plane to profile plane is 18 cm.
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