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Prove that any cyclic parallelogram is a...

Prove that any cyclic parallelogram is a rectangle.

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Given`/_B=/_D`
Proof`/_B+/_D=180^@`
`/_B+/_B=180^@`
`2/_B=180^@`
`/_B=90^@`
`/_D=90^@`.
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RD SHARMA ENGLISH-CIRCLE -All Questions
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  2. In Figure, P Q R S is a cyclic quadrilateral. Find the measure of each...

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  3. Prove that any cyclic parallelogram is a rectangle.

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  4. A Ca n dB D are chords of a circle which bisect each other. Prove that...

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  5. A B C D is a parallelogram. The circle through A ,Ba n dC intersects C...

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  9. Find the length of a chord which is at a distance of 5 cm from the ...

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  10. In Figure, O is the centre of the circle of radius 5\ c m. O P\ |A B...

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  11. In Figure, O is the centre of the circle of radius 5\ c mdotO P|A B...

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  12. P Q\ a n d\ R S are two parallel chords of a circle whose centre is...

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  13. P Q and R S are two parallel chords of a circle whose centre is O and ...

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  14. A B and C D are two parallel chords of a circle such that A B=10c m an...

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  15. A B\ a n d\ C D are two chords of a circle such that A B=6\ c m ,\ C...

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  16. In the figure, O D is perpendicular to the chord A B of a circle...

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  17. In Figure, l is a line intersecting the two concentric circles, who...

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