Q.
A chord of length 16 units is at a distance of 6 units from the centre of a circle then its radius is
see full answer
Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
9
b
10
c
11
d
7
answer is B.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
Given that d =distance from centre to the chord=6 and given length of the chord=16 i.e., 2r2−d2=16 ⇒r2−36=8 ⇒r2=100 ⇒r=10
Watch 3-min video & get full concept clarity