जर त्रिकोणाचे दोन कोन अनुक्रमे 60° आणि 80° मोजतात, तर या त्रिकोणाच्या तिसऱ्या कोनाचे माप किती आहे?

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RRB Group D 22 Aug 2022 Shift 1 Official Paper
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  1. 50°
  2. 40°
  3. 70°
  4. 60°

Answer (Detailed Solution Below)

Option 2 : 40°
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RRB Group D Full Test 1
100 Qs. 100 Marks 90 Mins

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दिले:

त्रिकोणाचे दोन कोन = 60° आणि 80°

वापरलेली संकल्पना:

त्रिकोणाच्या आतील कोनांची बेरीज = 180 °

उपाय:

त्रिकोणाचा तिसरा कोन = 180 ° - ( 60° + 80°)

= 180° - 140°

= 40°

म्हणून, योग्य पर्याय 2 आहे.

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