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Q. |
The length of line placed in profile plane and making an angle of 30 degrees with the vertical is 5 cm from front view. What is the actual length? |
A. | 5 cm |
B. | 8.66 cm |
C. | 10 cm |
D. | 5.77 cm |
Answer» D. 5.77 cm | |
Explanation: the length of line making an angle with vertical if viewed from front view the length will be the product of length of line cosine of angle given. l * cosine (30) =5 cm, x= 5/ cosine (30)= 5.77 cm. |
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