Q. No. 22. If P, Q, and R are the mid points of sides BC, CA and AB of a triangle and AD is perpendicular on BC from edge A, then prove P, Q, R and D are cyclic.
Q. No. 23. ABCD is parallelogram, a circle is drawn passing through A and B in such a way that it intersect AD at P and BC at Q, then prove P, Q, C and D are cyclic.
24. Prove that the bisector of any angle of triangle and perpendicular bisector of its opposite side if intersect each other then it intersect on circumcircle.
Q. No. 25. If any circle AYDZBWCX two chord AB and CD intersect each other at right angle. See fig. 12.77, then prove Arc CXA + Arc DZB = Arc AYD + Arc BWC = Semi circle.
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Q. No. 22 to 25. Misc. Ex 12 Ch 12 Circle (वृत) Class 10 Maths RBSE Hindi Cyclic Quadrilateral 2017 vishwakarma government engineering college | |
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