The angle subtended at the centre o...
Question

# The angle subtended at the centre of the circle of diameter 50 cm by an arc of 11 cm, is (in degree) (A) 22° 10' (B) 23° 10' (C) 20° 12 (D) 25° 12' Questio based noin AP and the

JEE/Engineering Exams
Maths
Solution
87
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( begin{aligned} frac{theta}{360^{. x}} 2 pi x &=11 Rightarrow quad theta times lambda &=11 theta=& 11 / 25=0.44 text { radian } end{aligned} ) ( theta=25^{circ} cdot 12^{prime} )