Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • From an external point Q, the length of the tangent to a circle is 5 cm and the distance of Q from the centre is 8 cm. The radius of the circle is Option: 1 39 cm Option: 2 3 cm Option: 3</

From an external point Q, the length of the tangent to a circle is 5 cm and the distance of Q from the centre is 8 cm. The radius of the circle is
Option: 1 39 cm
Option: 2 3 cm
Option: 3 \sqrt{39\: cm}
Option: 4 7 cm

Answers (1)

Tangents are perpendicular to the radius of the circle.

$Radius$ = \sqrt{8^2-5^2} = \sqrt{39} \ cm

 

Posted by

Safeer PP

View full answer

Similar Questions

Trending Articles/News

anam-khan

CBSE allows Class 10 students with basic math to study mathematics in 11th for 2025-26
anam-khan

CBSE announces post-result schedule for Class 10, 12 board exams 2025; apply for answer sheet from May 21
anam-khan

Depressed over 61% in CBSE 10th result 2025; Kota student dies by suicide

Latest Question