Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa

If the angle of intersection at a point where two circles with radii 5\: cm and 12\: cm intersects is 90^{\circ}, then the length (in cm) of their common chord is : 

 


 

  • Option 1)

    \frac{13}{2}

  • Option 2)

    \frac{13}{5}

  • Option 3)

    \frac{120}{13}

  • Option 4)

    \frac{60}{13}

Answers (1)

best_answer

Length of common chord = 2x

\sqrt{s^{2}-x^{2}}+\sqrt{12^{2}-x^{2}}=13

x=\frac{12\times 5}{13}

2x=\frac{120}{13}


Option 1)

\frac{13}{2}

Option 2)

\frac{13}{5}

Option 3)

\frac{120}{13}

Option 4)

\frac{60}{13}

Posted by

Plabita

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main 2026: JCECEB invites fresh applications for Jharkhand state merit list correction
anam-khan

Kota: NTA JEE aspirant jumps from flyover; police suspects suicide

Latest Question