Easy Math Class 9 Level 4

Three angles of a quadrilateral are 80° 90° and 100° then what is the fourth angle?

चतुर्भुज के तीन कोण 80° 90° और 100° हैं तो चौथा कोण कितना होगा?

A. 80° / 80° B. 90° / 90° C. 100° / 100° D. 110° / 110°
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Correct Answer

B. 90° / 90°

Explanation

The angle sum of a quadrilateral is 360° so the fourth angle is 360° - 270° = 90°.

चतुर्भुज के कोणों का योग 360° है इसलिए चौथा कोण 360° - 270° = 90° है।

Related Questions

Easy Math Class 10 Level 1

What is the area of a circle with radius 7 cm when π = 22/7?

7 सेमी त्रिज्या वाले वृत्त का क्षेत्रफल कितना होगा जब π = 22/7 हो?

A. 44 सेमी² / 44 cm² B. 77 सेमी² / 77 cm² C. 154 सेमी² / 154 cm² D. 308 सेमी² / 308 cm²
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