EASY
9th CBSE
IMPORTANT
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An exterior angle of a triangle is 110° and its two interior opposite angles are equal. Each of these equal angles is

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Important Questions on Lines and Angles

EASY
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 7 - Lines and Angles>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 3
The angles of a triangle are in the ratio 3: 5: 7. The triangle is 
EASY
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 7 - Lines and Angles>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 4
If one of the angles of a triangle is 130° then the angle between the bisectors of the other two angles can be
EASY
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 7 - Lines and Angles>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 5

In the given figure, AOB is a straight line. The value of x is

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EASY
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 7 - Lines and Angles>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 6
The angles of a triangle are in the ratio 2:3:4. The largest angle of the triangle is
EASY
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 7 - Lines and Angles>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 7

In the given figure, ∠OAB=110° and ∠BCD=130° then ∠ABC is equal to 

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EASY
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 7 - Lines and Angles>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 8
If two angles are complements of each other, then each angle is
EASY
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 7 - Lines and Angles>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 9
An angle which measures more than 180° but less than 360°, is called
EASY
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 7 - Lines and Angles>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 10
The measure of an angle is five times its complement. Then the angle is