in a circle the length of the tangent is 12cm and radius is 5cm then find the distance of the of the point of tangent from center of the circle
Answers
Answered by
3
Answer:
Correct option is
C
5 cm
It is given that the tangent of circle is 12 cm and distance of Q from the centre is 13 cm.
Since the radius OT is perpendicular to QT, therefore,
OT
2
=OQ
2
−QT
2
⇒OT
2
=13
2
−12
2
⇒OT
2
=169−144
⇒OT
2
=25
⇒OT=
25
⇒OT=5cm
Hence option C is correct.
Similar questions