[Solved] If a line is in profile plane making an angle of 30 degrees with vertical plane. In which angle the line makes with the horizontal plane?

Civil Engineering
Engineering Graphics
If a line is in profile plane making an ...

Q.	If a line is in profile plane making an angle of 30 degrees with vertical plane. In which angle the line makes with the horizontal plane?
A.	can’t say
B.	90 degrees
C.	0 degrees
D.	60 degrees
Answer» D. 60 degrees
Explanation: if a line placed within the plane the angles made by the line with other perpendicular planes will be complimentary that means their sum will be equal to 90 degrees.90 degrees- 30 degrees = 60 degrees.

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