Medium Math Class 9 Level 1

The angles of a triangle are 2x, 3x and 4x. What is the largest angle?

एक त्रिभुज के कोण 2x, 3x और 4x हैं तो सबसे बड़ा कोण क्या होगा?

A) 40° / 40° B) 60° / 60° C) 80° / 80° D) 100° / 100°
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Correct Answer

C. 80° / 80°

Explanation

2x + 3x + 4x = 180° so x = 20° and the largest angle is 4x = 80°.

2x + 3x + 4x = 180° इसलिए x = 20° और सबसे बड़ा कोण 4x = 80° 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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