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In a circle, the arc subtends an angle of at a point on the circle. What is the…
MATHEMATICS · Single correct · CBSE · Mathematics · Circles · Circles
Problem
In a circle, the arc
P
Q
PQ
P
Q
subtends an angle of
38
∘
38^\circ
3
8
∘
at a point
R
R
R
on the circle. What is the measure of the angle subtended by the same arc at the centre
O
O
O
? (a)
38
∘
38^\circ
3
8
∘
(b)
142
∘
142^\circ
14
2
∘
(c)
76
∘
76^\circ
7
6
∘
(d)
19
∘
19^\circ
1
9
∘
Related theory
Circles
Circle angle properties
Angle subtended by a chord
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