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Subjects
Mathematics CBSE
Class 9
Lines and Angles
Textbook Questions
23.
Exemplar Exercise Problems I
Exercise condition:
2
m.
1
. In Fig., if \(AB || CD || EF\), \(PQ || RS\), \(∠RQD = 25^°\) and \(∠CQP = 60^°\), then \(∠QRS\) is equal to
\(85^{\circ}\)
\(110^{\circ}\)
\(145^{\circ}\)
\(135^{\circ}\)
2
. If one angle of a triangle is equal to the sum of the other two angles, then the triangle is
an isosceles triangle
an obtuse triangle
a right triangle
an equilateral triangle
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