Medium Math Class 9 Level 8

The angles of a quadrilateral are 102° 78° 119° and x. What is x?

एक चतुर्भुज के कोण 102° 78° 119° और x हैं तो x का मान क्या है?

A 51° / 51° B 61° / 61° C 71° / 71° D 81° / 81°
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Correct Answer

B. 61° / 61°

Explanation

The angle sum of a quadrilateral is 360° so x = 360° - 299° = 61°.

चतुर्भुज के कोणों का योग 360° है इसलिए x = 360° - 299° = 61°।

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