[Solved] A line which is parallel to profile plane and making an angle of 40 degrees with horizontal has a length of 4 cm from top view. What is its true length?

Q.	A line which is parallel to profile plane and making an angle of 40 degrees with horizontal has a length of 4 cm from top view. What is its true length?
A.	3.06 cm
B.	5.22 cm
C.	6.22 cm
D.	2.57 cm
Answer» B. 5.22 cm
Explanation: true length of line parallel to profile plane and making angle with horizontal plane can be of two values either from top view or front view but from side view the length will be given length. as here it is given top view l= 4/cos (40).

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