Join Examsbook
261 0

Q:

A secant PAB is drawn from an external point P to the circle with centre O, intersecting it at A and B. If OP = 17 cm, PA = 12 cm and PB = 22.5 cm, then the radius of the circle is:

  • 1
    $$ 2\sqrt {3} \ $$ cm
  • 2
    $$ \sqrt {19} \ $$ cm
  • 3
    $$ \sqrt {17} \ $$ cm
  • 4
    $$ 3\sqrt {3} \ $$ cm
  • Show AnswerHide Answer
  • Workspace

Answer : 2. " $$ \sqrt {19} \ $$ cm"

Are you sure

  Report Error

Please Enter Message
Error Reported Successfully