In the figure, 'O' is the centre, PA = 6 cm and AB = 2 cm (a) If PQ is equal to the radius , then find the radius. (b) Find the length of PR P A R Q
Answers
Answered by
0
Answer:
???????????????????????????????
Answered by
0
Answer:
Perpendicular drawn from centre of a circle to chord bisects the chord.
AC=BC=12cm
And ∠OCB=90
∘
Thus, triangle OCB is a right angled triangle
OB=13cm.
Therefore by Pythagoras theorem
OB
2
=OC
2
+BC
2
OC
2
=OB
2
−BC
2
OC=
13
2
−12
2
OC=5cm
Follow me
Similar questions