Easy Math Class 9 Level 6

If the angles of a triangle are x x and 80° then what is x?

यदि त्रिभुज के कोण x x और 80° हैं तो x का मान क्या होगा?

A) 40° / 40° B) 50° / 50° C) 60° / 60° D) 80° / 80°
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Correct Answer

B. 50° / 50°

Explanation

2x + 80° = 180° so 2x = 100° and x = 50°.

2x + 80° = 180° इसलिए 2x = 100° और x = 50°।

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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