Question

The area of triangle formed by tangents from the point (4,3) to the circle x 2
+y 2
=a^2
a the line joining their point of contact is

Answer 1

Step-by-step explanation:

Area of triangle =

L

2

+R

2

RL

3

where R = radius of the circle = 3

L = length of tangent =

S

1

=

16+9−9

=4

Hence area =

25

192

sq. units