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Objective Question & Answer

QUESTION

Objective Question

Q.1

The Whole Circle Bearings of line AB and BC are 30°15' and 120° 30'. What is the included angle ABC

between the lines AB and BC?

रेखा AB और BC की होल सर्कल बेयरिंग (WCB) क्रमशः 30°15' और 120°30' हैं। रेखाओं AB और BC के बीच का कोण

ABC क्या है?

A

229° 45' 
B
89° 45' 
C
270° 15' 
D
90° 15'
Answer ( Option C)

270° 15' 

Solution

Included angle is angle measured in clockwise direction from previous line to next line.

इंक्लूडेड एंगल वह कोण है जिसे पिछली रेखा से अगली रेखा तक घड़ी की दिशा (क्लॉकवाइज डायरेक्शन) में मापा जाता है।

In this case included angle will be exterior angle. Included

=270° 15' (exterior)

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