Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Geometry Circles, Chords and Tangents
From a point Q, the length of the tangent to a circle is 21 cm and the distance of Q from the centre 'O' of the circle is 29 cm. Find the radius of the circle.
1
20 cm
2
28 cm
3
30 cm
4
More than one of the above
5
None of the above