Prove that the any four vertices of a re...

Prove that the any four vertices of a regular pentagon are concyclic (lie on the same circle).

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ICSE-TANGENTS AND INTERSECTING CHORDS-EXERCISE 18 (C)

The given figure shows a circle with centre O such that chord RS is pa...
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In the given figure PAT is tangent to the circle with centre O, at poi...
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AB is a line segment and M is its mid point. Three semi circles are dr...
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TA and TB are tangents to a circle with centre O from an external poin...
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Two circles intersects in points P and Q. A secant passing through P i...
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Prove that the any four vertices of a regular pentagon are concyclic (...
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Chords AB and CD of a circle when extended meet at point X. Given AB =...
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In the given figure find TP if AT=16 cm and AB=12 cm.
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In the following figure, a circle is inscribed in th equadrilaterial A...
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In the given figure, XY is the diameter of the circle and PQ is a tang...
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In the given figure QAP is the tangent at point A and PBD is a straigh...
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In the given figure AB is the diameter. The tangent at C meets AB prod...
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In the given figure O is the centre of the circle. The tangents at B a...
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In the following figure PQ=QR, /RQP=68^(@), PC and CQ are tangents to...
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about to only mathematics
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In the figure given below, AC is a transverse common tangent to two ci...
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In the figure given below O is the centre of the circumcircle of trian...
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In the given figure, AE and BC intersect each other at point D. If /...
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In the given circle with centre O, angleABC=100^(@),angleACD=40^(@) an...
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In the figure given below, O is the centre of the cirlce and SP is a t...
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