Friday
March 24, 2017

Post a New Question

Posted by on Thursday, July 14, 2011 at 1:54am.

In a circle with centre P,a chord AB is parallel to a tangent & inersects the radius drawn from a point of contact at the midpoint of the radius .If AB=12,FIND THE RADIUS OF THE CIRCLE.

  • geometry - , Thursday, July 14, 2011 at 2:42am

    In a circle with centre P,a chord AB is parallel to a tangent & intersects the radius drawn from a point of contact at the midpoint of the radius .If AB=12,FIND THE RADIUS OF THE CIRCLE.

  • geometry - , Thursday, July 14, 2011 at 9:14am

    let the radius be 2x
    then I see a right-angled triangle with sides x , 6 and hypotenuse 2x
    (2x)^2 = x^2 + 6^2
    3x^2 = 36
    x^2 = 12
    x = √12 = 2√3

    so the radius is 4√3

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question