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In the given circle with centre O, angle...

In the given circle with centre O, `angleABC=100^(@),angleACD=40^(@)` and CT is a tangent to the circle at C. Find the `angleADCandangleDCT`.

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The correct Answer is:
`80^(@)` and `60^(@)`
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ICSE-TANGENTS AND INTERSECTING CHORDS-EXERCISE 18 (C)
  1. The given figure shows a circle with centre O such that chord RS is pa...

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  2. In the given figure PAT is tangent to the circle with centre O, at poi...

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  3. AB is a line segment and M is its mid point. Three semi circles are dr...

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  4. TA and TB are tangents to a circle with centre O from an external poin...

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  5. Two circles intersects in points P and Q. A secant passing through P i...

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  6. Prove that the any four vertices of a regular pentagon are concyclic (...

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  7. Chords AB and CD of a circle when extended meet at point X. Given AB =...

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  8. In the given figure find TP if AT=16 cm and AB=12 cm.

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  9. In the following figure, a circle is inscribed in th equadrilaterial A...

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  10. In the given figure, XY is the diameter of the circle and PQ is a tang...

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  11. In the given figure QAP is the tangent at point A and PBD is a straigh...

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  12. In the given figure AB is the diameter. The tangent at C meets AB prod...

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  13. In the given figure O is the centre of the circle. The tangents at B a...

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  14. In the following figure PQ=QR, /RQP=68^(@), PC and CQ are tangents to...

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  15. about to only mathematics

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  16. In the figure given below, AC is a transverse common tangent to two ci...

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  17. In the figure given below O is the centre of the circumcircle of trian...

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  18. In the given figure, AE and BC intersect each other at point D. If /...

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  19. In the given circle with centre O, angleABC=100^(@),angleACD=40^(@) an...

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  20. In the figure given below, O is the centre of the cirlce and SP is a t...

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