Question

19.In the given Fig., AB andCD are two common tangents to the two touching circles. If DC = 4 cm

then AB is equal to




Pls ans quick






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Answer 1

Answer:

From the given information, CD = 4 cm

CD=AD=4 (tangents drawn from an exterior point are equal)

CD=BD=4 (tangents drawn from an exterior point are equal)

Now, AB=AD+BD=4+4=8 cm

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