Question

In adjacent figure, two concentric circles with centre at Oand having radii 5 cm
and 3 cm A chord PQ of the bigger circle touches the smaller circle at M
Find the length of chord PQ​

Answer 1

Answer:

hey mate

you can refer the above picture for your answer

Answer 2

Step-by-step explanation:

let OM is perpendicular to chord PQ

for the inner circle OM is radius

.: OM =3cm

as we know

perpendicular to line bisects chord

.: QM=MP=1/2QP

.:in triangle OMP by Pythagorean theorem

op2=om2+mp2

25=9+mp2

mp2=16

mp=4cm

now

QP =2MP

=2*4

=8cm