Question

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1. एक वृत्त जिसका का केन्द्र z है चित्र में दिखाया था निम्न में से कौन-सा कथन सही है
1) L AZB= 2 L ACB
2) L AZB =2 L ACB
3 2 L AZB= L ACB
4) L AZB = 3 LACB​

Answer 1

Given : एक वृत्त जिसका केंद्र Z है

To Find : कौन सा कथन सही है?

1.∠AZB= 2∠ACB

2. ∠AZB=∠ACB

3. 2∠AZB=∠ACB

4. ∠AZB=3∠ACB

Solution:

Angle by arc at center = 2 times the angle formed at remaining arc segment  

∠AZB= 2∠ACB

Angle by chord / Arc  AB at cente r and arc segment  

सही विकल्प   1.∠AZB= 2∠ACB

Correct option is 1.∠AZB= 2∠ACB

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