Medium Math Class 9 Level 5

In an isosceles triangle each base angle is 58°. What is the vertex angle?

समद्विबाहु त्रिभुज में प्रत्येक आधार कोण 58° है तो शीर्ष कोण कितना होगा?

A) 54° / 54° B) 64° / 64° C) 74° / 74° D) 84° / 84°
Show answer and explanation
Correct Answer

B. 64° / 64°

Explanation

The angle sum is 180° so the vertex angle is 180° - 116° = 64°.

त्रिभुज का योग 180° है इसलिए शीर्ष कोण 180° - 116° = 64°।

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
Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

Student Class Required

Select your class first

Quiz questions, daily challenge and practice pages will open according to your selected class.