engineering recuitment ICAR (IARI) Assistant (Pre + Mains) 2022 Mock Test Quantitative Aptitude Geometry Circles, Chords and Tangents
QC and QD are the tangents to circle of center O from external point Q. If the distance between point Q and center of circle is 41 cm and radius of circle is 9 cm, find the length of tangent QD.
1
25 cm
2
30 cm
3
20 cm
4
40 cm