Medium Math Class 9 Level 5

The angles of a quadrilateral are 78° 86° 112° and x. What is x?

एक चतुर्भुज के कोण 78° 86° 112° और x हैं तो x का मान क्या है?

A 74° / 74° B 84° / 84° C 94° / 94° D 104° / 104°
Show answer and explanation
Correct Answer

B. 84° / 84°

Explanation

The angle sum of a quadrilateral is 360° so x = 360° - 276° = 84°.

चतुर्भुज के कोणों का योग 360° है इसलिए x = 360° - 276° = 84°।

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