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09 Aug 2019, 04:54
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Which of the following is/are necessarily cyclic quadrilateral(s)?
(A) Parallelogram
(B) Non isosceles trapezium
(C) Isosceles trapezium
(D) All the above
(A) Parallelogram
(B) Non isosceles trapezium
(C) Isosceles trapezium
(D) All the above
10 Aug 2019, 09:37
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In a cyclic quadrilateral, the sum of each pair of opposite angles is 180 degrees.
And in an isosceles trapezium opposite angles are supplementary (their sum is 180 degrees).
Note : Also in isosceles trapezium base angles are equal.
And in an isosceles trapezium opposite angles are supplementary (their sum is 180 degrees).
Note : Also in isosceles trapezium base angles are equal.
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