Maths-

General

Easy

Question

# In the diagram AB is tangent and ACD is secant, AB = 6 cm and AC = 4 cm, AD=

- 5 cm
- 9 cm
- 10 cm
- 13 cm

## The correct answer is: 9 cm

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### The two Circles below are concentric, the radius of the larger Circle is 10 cm and that of the smaller Circle is 6cm. What is the length of the chord AB ?

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PQ>PR

=PRQ>PQR [angle opposite to the longer side of triangle is greater]

=1/2 PRQ> 1/2PQR

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PQ>PR

=PRQ>PQR [angle opposite to the longer side of triangle is greater]

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