Question

In a circle radius of the circle, AC = 13 units AP perpendicular to BC (BC i s chord). If C= (3,6), P= (7, 9), then the length of AP is​

Answer 1

Answer:

R.E.F image

AP=PB⇒ 'P' is mid pt

AB=2PB

PB

2

+OP

2

=13

2

(In ΔOPB)

OP

2

=

(7−3)

2

+(9−6)

2

=

4

2

+3

2

=5

∴PB

2

=

13

2

−5

2

=12

⇒

AB=24unit