In the given figure, if O is the centre of circle, determine ∠

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 Multiple Choice QuestionsShort Answer Type

211. In the given figure. RS is a diameter of the circle, NM is parallel to RS and ∠MRS = 29°, find the measure of ∠NMS.


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212. In the above figure, chords BD and AC intersect at the point E such that ∠BEC = 130° and ∠ECD = 20°. Find the measure of ∠BAC:


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213. In the given figure, if O is the centre of circle, determine ∠APB.



Solution not provided.

Ans.   120°

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214. In the given figure, ABCD is a cyclic quadrilateral in which AB || DC. If ∠BAD = 105°, find (i) ∠BCD (ii) ∠ADC (iii) ∠ABC.


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215. In the given figure, if AOB is a diameter of a circle, with centre O. ∠EBD = 15° and ∠ACD = 120°, find the measure of ∠ABE.


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216.  In the figure, ∠ABC = 45°, prove that OA is perpendicular to OC



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217. In figure, if ∠ADC = 128°, and ∠DBC = 32°, find ∠DCB.


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218. How many tangents can a circle have?
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 Multiple Choice QuestionsFill In the Blanks

219. A tangent to a circle intersects it in ___________ point(s).
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220.

A line intersecting a circle in two points is called a ____________.

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