Question

radius of a circle with centre O is 41 units . length of a chord pQ is 80 units,find the distance of the chord from the centre of the circle​

Answer 1

Answer:

i hope this will help you

Answer 2

Answer:

OP=41 units

PQ=80 units

PR= RQ= 40 units

{OR perpendicular to PQ}

OPR is a right angled triangle, 90° at R.

So, by Pythagoras Theorem

(41)²=(40)²+OR²

OR²=1681-1600

OR²=81

OR=9 units