Medium Math Class 9 Level 6

The angles of a quadrilateral are 83° 97° 111° and x. What is x?

एक चतुर्भुज के कोण 83° 97° 111° और x हैं तो x का मान क्या है?

A 59° / 59° B 69° / 69° C 79° / 79° D 89° / 89°
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Correct Answer

B. 69° / 69°

Explanation

The angle sum of a quadrilateral is 360° so x = 360° - 291° = 69°.

चतुर्भुज के कोणों का योग 360° है इसलिए x = 360° - 291° = 69°।

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