Question

1
YOX' is known as:
A les 15 cm away from the centre of a circle. If the length of the tangent down from A to the circle
12 cm, then what will be the radius of the circle?​

Answer 1

Step-by-step explanation:

It is given that the tangent of circle is 12 cm and distance of Q from the centre is 13 cm.

Since the radius OT is perpendicular to QT, therefore,

OT

2

=OQ

2

−QT

2

⇒OT

2

=13

2

−12

2

⇒OT

2

=169−144

⇒OT

2

=25

⇒OT=

25

⇒OT=5cm

Answer 2

nahi asks what happened and