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In the adjoining figure CD is perpendicu...

In the adjoining figure CD is perpendicular on AB. CN is the angle bisector of `angleACB. angleACN = 50^(@), angle NCD` is:

A

A)`(1)/(3)angleACB`

B

B)`angleCAB-angleCBA`

C

C)`(1)/(2)(angleCBA-angleBAC)`

D

D)can't be determined

Text Solution

Verified by Experts

The correct Answer is:
C
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ARIHANT SSC-GEOMETRY-EXERCISE(LEVEL 1)
  1. What is the inradius of the incircle shown in the figure?

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  2. One of the diagonal of a parallelogram is 18 cm, whose adjacent sides ...

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  3. In the adjoining figure CD is perpendicular on AB. CN is the angle bis...

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  4. In a DeltaPQR, points M and N are on the sides PQ and PR respectively ...

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  5. In a trapezium ABCD, the diagonals AC and BD interserted other at O su...

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  6. Three cities Fatehpur, Barabanki and Lucknow are famous. Fatehpur is 4...

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  7. An isoceles right angle triangle has area 200 cm^2. Then length of its...

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  8. In the adjoining figure ABCD is a rectangle and DF =CF also AE = 3BE. ...

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  9. ABCD is a square and AOB is an equilateral triangle. What is the value...

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  10. In the triangle ABC, BC =CD and (angleABC - angleBAC)= 30^(@). The mea...

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  11. In a trapezium ABCD, AB is a parallel to CD. BD is perpendicular to AD...

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  12. In the adjoining figure O is the centre of the circle. The radius OP b...

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  13. In the given figure of circle AB is the diameter with length 20 cm and...

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  14. In the adjoining figure BD is the diameter of the circle and angleBCA ...

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  15. Each interior angle of a regular polygon exceeds its exterior angle by...

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  16. In a circle O is the centre and angleCOD is right angle. AC = BD and C...

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  17. In the given triangle ABC, CD, BF and AE are the altitudes. If the rat...

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  18. In the adjoining figure AB || CD and PQ = SR, then :

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  19. In the given figure AB, CD and EF are three towers. The angle of eleva...

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  20. DeltaABC is equilateral triangle. Where AD = DE = BE, D and E lies on ...

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