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IMPORTANT
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If one angle of a triangle is equal to the sum of the other two angles, then the triangle is

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Important Questions on Lines and Angles

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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 6 - Lines and Angles>Multiple Choice Questions>Q 29
An exterior angle of a triangle is 105° and its two interior opposite angles are equal. Each of these equal angle is
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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 6 - Lines and Angles>Multiple Choice Questions>Q 30
In the given Figure, if AB∥CD∥EF,PQ∥RS,∠RQD=30° and ∠CQP=60°, the ∠QRB is equal to
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9th CBSE
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MATHEMATICS>Chapter 6 - Lines and Angles>Multiple Choice Questions>Q 31
If one of the angles of a triangle is 120°, then the angle between the bisectors of the other two angles can be
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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 6 - Lines and Angles>Multiple Choice Questions>Q 32

In the givne Figure, if OP∥RS,∠OPQ=110° and ∠QRS=120°, then ∠PQR is equal to
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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 6 - Lines and Angles>Multiple Choice Questions>Q 33
The angle which is equal to 5 times its supplement is
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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 6 - Lines and Angles>Multiple Choice Questions>Q 34
If the angles of a triangle are in the ratio 1:2:3, the measure of each angle of triangle is 
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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 6 - Lines and Angles>Multiple Choice Questions>Q 35
In the given Figure, p∥BC. Then the measure of angle x is:
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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 6 - Lines and Angles>Multiple Choice Questions>Q 36
Angle AOB and angle COB are x2 andx3respectively. AOC is a straight line. The value of x will be