Question

In the given figure ,AT is a tangent drawn to a circle with centre O. Given OA=17cm and AT =15cm,find the radius of the circle

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Answer 1

Answer:

8 cm

17^2=15^2-x^2

289=225-x^2

x^2=289-225

x^2=64

x=8

length of tangent =8cm

Answer 2

Answer:

• pls mark as brainliest

Step-by-step explanation:

it forms a right angled triangle

so by Pythagoras theorem

(hypotenuse)^2=(side)^2+(side)^2

(17)^2=(15)^2+(X)^2

X=√289-225

X=√64

X=8cm