Easy Math Class 9 Level 7

Two angles of a triangle are 30° and 70° then what is the third angle?

त्रिभुज के कोण 30° और 70° हैं तो तीसरा कोण कितना होगा?

A) 70° / 70° B) 80° / 80° C) 90° / 90° D) 100° / 100°
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Correct Answer

B. 80° / 80°

Explanation

The angles of a triangle sum to 180° so the third angle is 180° - 100° = 80°.

त्रिभुज के कोणों का योग 180° है इसलिए तीसरा कोण 180° - 100° = 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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