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39% (01:55) correct
61%
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If the radius of the circle is equal to chord AB and ∠CAB=50°, what is the value of x°(∠ACB) ?
A. 20°
B. 30°
C. 40°
D. 50°
E. 60°
A. 20°
B. 30°
C. 40°
D. 50°
E. 60°
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shridhar786
Joined: 31 May 2018
Last visit: 08 Feb 2022
Posts: 322
Location: United States
Concentration: Finance, Marketing
Posts: 322
nick1816
let r be the radius of circle and O be the centre of a circle
so chord AB = r
so AOB equilateral..............angle aob=60
angle ALB = 30 (The central angle which intercepts an arc is the double of any inscribed angle that intercepts the same arc since angle AOB =60 SO ALB =30)
angle ACB = 30 (since both the arc are same ....properties of a circle)
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