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In the adjacent figure C and D are two points on circumference of a semicircle having AB as diameter. Given that `angle ABD = 75^(@) and angle DAC = 35^(@)`. What is the measure of `angle BDC`?

A

A)`130^@`

B

B)`110^@`

C

C)`90^@`

D

D)`100^@`

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LUCENT PUBLICATION-CIRCLE AND ITS TANGENT LINES-EXERCISE 8A
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  3. If diameters of two circles are 6 units and 10 units and their centres...

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  4. Point A is situated at a distance of 6.5 cm from the centre of a circl...

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  5. A circle with centre O is given and C is a point on its minor arc AB. ...

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  6. In the figure, ABC is a triangle in which AB = AC. A circle through B ...

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  7. In the given figure if angle PAQ = 59^(@), angle APD = 40^(@), then wh...

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  8. In the adjacent figure C and D are two points on circumference of a se...

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  9. In the figure given below, if angle AOP = 75^(@) and angle AOB = 120^(...

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  10. Length of two chords AB and AC of a circle are respectively 8 cm and 6...

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  11. The chord of circle whose radius is 5 cm touches another circle radius...

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  12. A chord of a circle is equal to its radius. The angle subtended by thi...

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  13. The radius of two concentric circles are 9 cm and 15 cm. If the chord ...

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  14. Two chords AB and CD of circle whose centre is O, meet at the point P ...

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  15. AB = 16 cm and CD = 12 cm are two parallel chords lie on same side of ...

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  16. What is the distance between two parallel chords each having length 8 ...

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  17. If the arcs of same length in two circles subtend angles of 60^(@) and...

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  18. Tangents are drawn at extremities AB of a diameter of a circle centred...

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  19. AB is a chord to a circle and PAT is the tangent to the circle at A. I...

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  20. The tangents at two points A and B on the circle with centre O Interse...

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