A point P is 13 cm from the centre of the circle. The length of the tangent drawn from P to the circle is 12 cm. Find the radius of the circle.
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Answer:
The radius of the circle is 5cm. It is the right answer.
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Answered by
3
Answer:
radius of the circle is 5cm
Step-by-step explanation:
- length of tangent=12cm
- distance of p from centre is 13cm
- let radius = x
- by Pythagoras therom we get
- 13^2=12^3+x^2
- 169=144+x^2
- 169-144=x^2
- x^2=25
- x=√25
- therefore x= 5cm
- Hope you understand
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