The angle subtended by an arc at the centre of a circle is double the angle subtended by it at any point on the remaining part of the circle.

give me the proof of this theorem !??

if two non parallel sides of a trapezium are equal prove that it is cyclic

what is the difference between concyclic and cyclic quadrilaterals?

Prove that the quadrilateral formed by internal angle bisectors of a cyclic quadrilateral is also cyclic.

AB and CD are two parallel chords of a circle such that AB = 10cm and CD = 24. The chords are on opposite sides of the centre and distance between them is17cm. Find the radius of the circle

Prove that angles in the same segment of a circle are equal

In a circle of radius 5 cm,AB and AC are two chords such that AB = AC = 6 cm.Find the length of chord BC.

distance of a chord AB from the centre of the circle is 4cm.if the length of a chord AB is 6cm,then find the diameter of the circle

ABC is a triangle inscribed in a circle with center O. If angle AOC = 130 and angle BOC = 150, find angle ACB.

A circular park of radius 20m is situated in a colony. Three boys Ankur, Syed and David re sitting at equal distance on its boundary each having a toy telephone in their hand to talk each other. Find the length of the string of each phone....This is a text ques. (Exrcise. 10.4 ques no. 6) Any one plz help me to answer this!

Three girls Reshma, Salma and Mandip are playing a game by standing on a circle of radius 5 m drawn in a park. Reshma throws a ball to Salma, Salma to Mandip, Mandip to Reshma. If the distance between Reshma and Salma and between Salma and Mandip is 6 m each, what is the distance between Reshma and Mandip?

[{i have read the solution for this but i am not understanding}]

in a circle of radius 25cm,two parallel chords of length 14cm and 48 cm respectively are drawn on the same side of the centre .find the distance between them.

If P, Q and R are mid points of sides BC, CA and AB of a triangle ABC, and Ad is the perpendicular from A on BC, prove that P, Q , R and D are concyclic.

plzz solve urgently!!!!

AB is a chord of a circle with radius ‘r’. If P is any point on the circle such that ∠APB is a right angle , then AB is equal to ?? how to solve this question & plz tell the method for solving

Prove that The sum of either pair of opposite angles of a cyclicquadrilateral is 180º.

Two chords AB and CD of lengths 5 cm 11cm respectively of a circle are parallel to each other and are on opposite sides of its centre. If the distance between AB and CD is 6 cm, find the radius of the circle.

O is the center of a cicle AB=16cm,CD=14cm seg OT is perpendicular to seg AB seg ON is perpendicular to seg CD .If seg OT=6cm then find ON

two circle of radii 5cm and 3cm intersect at two points and the distance between their centres is 4 cm .find the length of common chord.

Distance of a chord AB of a circle from the center is 12cm and length of the chord is 10cm. Find the diameter of the circle.

two chord AB and AC of a circle are equal.prove that the bisector of angle BAC passes through the centre O of the circle

AB ia a diameter of the circle,CD is a chord equal to the radius of the circle.AC and BD when extended intersect t a point E. Prove that angle AEB=60 DEGREE.

The angle subtended by an arc at the centre of a circle is double the angle subtended by it at any point on the remaining part of the circle.give me the proof of this theorem !??pls answer

if two non parallel sides of a trapezium are equal prove that it is cyclic

what is the difference between concyclic and cyclic quadrilaterals?

Prove that the quadrilateral formed by internal angle bisectors of a cyclic quadrilateral is also cyclic.

AB and CD are two parallel chords of a circle such that AB = 10cm and CD = 24. The chords are on opposite sides of the centre and distance between them is17cm. Find the radius of the circle

Prove that angles in the same segment of a circle are equal

draw a graph of the linear equation 2x + y =6 at what point the graph cuts the y axis?In a circle of radius 5 cm,AB and AC are two chords such that AB = AC = 6 cm.Find the length of chord BC.

distance of a chord AB from the centre of the circle is 4cm.if the length of a chord AB is 6cm,then find the diameter of the circle

ABC is a triangle inscribed in a circle with center O. If angle AOC = 130 and angle BOC = 150, find angle ACB.

A circular park of radius 20m is situated in a colony. Three boys Ankur, Syed and David re sitting at equal distance on its boundary each having a toy telephone in their hand to talk each other. Find the length of the string of each phone....This is a text ques. (Exrcise. 10.4 ques no. 6) Any one plz help me to answer this!

Three girls Reshma, Salma and Mandip are playing a game by standing on a circle of radius 5 m drawn in a park. Reshma throws a ball to Salma, Salma to Mandip, Mandip to Reshma. If the distance between Reshma and Salma and between Salma and Mandip is 6 m each, what is the distance between Reshma and Mandip?

[{i have read the solution for this but i am not understanding}]in a circle of radius 25cm,two parallel chords of length 14cm and 48 cm respectively are drawn on the same side of the centre .find the distance between them.

If P, Q and R are mid points of sides BC, CA and AB of a triangle ABC, and Ad is the perpendicular from A on BC, prove that P, Q , R and D are concyclic.

plzz solve urgently!!!!

AB is a chord of a circle with radius ‘r’. If P is any point on the circle such that ∠APB is a right angle , then AB is equal to ??

how to solve this question & plz tell the method for solving

Prove that The sum of either pair of opposite angles of a cyclic

quadrilateral is 180º.

Prove AO= 2/3 AD

Two chords AB and CD of lengths 5 cm 11cm respectively of a circle are parallel to each other and are on opposite sides of its centre. If the distance between AB and CD is 6 cm, find the radius of the circle.

O is the center of a cicle AB=16cm,CD=14cm seg OT is perpendicular to seg AB seg ON is perpendicular to seg CD .If seg OT=6cm then find ON

two circle of radii 5cm and 3cm intersect at two points and the distance between their centres is 4 cm .find the length of common chord.Distance of a chord AB of a circle from the center is 12cm and length of the chord is 10cm. Find the diameter of the circle.

two chord AB and AC of a circle are equal.prove that the bisector of angle BAC passes through the centre O of the circle

AB ia a diameter of the circle,CD is a chord equal to the radius of the circle.AC and BD when extended intersect t a point E. Prove that angle AEB=60 DEGREE.