Lines, Angles and Quadrilaterals (IMO Mathematics Olympiad (SOF) Class 9): Questions 111  114 of 126
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Question number: 111
» Lines, Angles and Quadrilaterals
Question
The angle between two altitudes of a parallelogram through the vertex of an obtuse angle of the parallelogram is 60°, Then the angles of the parallelogram is ________
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Question number: 112
» Lines, Angles and Quadrilaterals
Question
Two regular polygons are such that the ratio between their no. of sides is 1: 2 and the ratio of measures of their interior angles is 3: 4. Find the number of sides of each polygon.
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Question number: 113
» Lines, Angles and Quadrilaterals
Question
In the figure, the value of x if , is ________
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Question number: 114
» Lines, Angles and Quadrilaterals
Question
In the adjoining figure, and If and then ________
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