Question

Find the length of the tangent to a circle from point p',which is 25 cm away from the centre of a circle is 5 cm and radius of the circle is 3cm​

Answer 1

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10th

Maths

Circles

Tangent to a Circle

The length of the tangent t...

The length of the tangent to a circle from a point P,which is 25 cm away from the centre is 24 cm.What is the radius of the circle?

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ANSWER

Let AP be a tangent drawn from P to a circle with centre O such that AP = 24 cm and OB = 25 cm.

In right angled △ OAB,

OP

2

=OA

2

+AP

2

25

2

=OA

2

+24

2

OA

2

=49

OA=7 cm

Hence, the radius of circle is 7 cm.

solution

Answer 2

Step-by-step explanation:

froebddh

the answer is 7cm

radius =7