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Subjects
Mathematics State Board
Class 9
Geometry
Quadrilateral and Construction of Circumcentre and Orthocentre
13.
Express the interior angle of the parallelogram
Exercise condition:
4
m.
In the adjoining figure, \(ABCD\) is a parallelogram in which \(X° =\)
115
\(°\) and \(Y° =\)
20
\(°\).
(i)
\(∠CDB =\)
\(°\)
(ii)
\(∠ADB =\)
\(°\)
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