## MCQ for Class 9 Mathematics Lines and Angles

Class 9 Mathematics students should refer to the following multiple-choice questions with answers for Lines and Angles in standard 9. These MCQ questions with answers for Grade 9 Mathematics will come in exams and help you to score good marks

### Lines and Angles MCQ Questions Class 9 Mathematics with Answers

**Question. If a ray stands on a line then the sum of the adjacent angles so formed is**

(a) 100^{0}

(b) 180^{0}

(c) 90^{0}

(d) 360^{0}

**Question. The sum of all the angles around a point is**

(a) 100^{0}

(b) 180^{0}

(c) 90^{0}

(d) 360^{0}

**Question. The sum of all the angles formed on the same side of a line at a given point on the line is**

(a) 100^{0}

(b) 180^{0}

(c) 90^{0}

(d) 360^{0}

**Question. The angle which is four times its complement is**

(a) 60^{0}

(b) 30^{0}

(c) 45^{0}

(d) 72^{0}

**Question. The angle which is five times its supplement is**

(a) 150^{0}

(b) 180^{0}

(c) 90^{0}

(d) 360^{0}

**Question. The measure of an angle which is equal to its complement is**

(a) 60^{0}

(b) 30^{0}

(c) 45^{0}

(d) 15^{0}

**Question. The measure of an angle which is equal to its supplement is**

(a) 100^{0}

(b) 75^{0}

(c) 90^{0}

(d) 60^{0}

**Question. If two parallel lines are intersected by a transversal, then the bisectors of the two pairs of interior angles enclose**

(a) a square

(b) a rectangle

(c) a parallelogram

(d) a trapezium

**Question. Two adjacent angles on a straight line are in the ratio 5 : 4. then the measure of each one of these angles are**

(a) 100^{0} and 80^{0}

(b) 75^{0} and 105^{0}

(c) 90^{0} and 90^{0}

(d) 60^{0} and 120^{0}

**Question. Two lines PQ and RS intersect at O. If **

(a) 120

^{0}

(b) 130

^{0}

(c) 90

^{0}

(d) 150

^{0}

**Question . In the adjoining figure the value of x is**

(a) 25

^{0}

(b) 28

^{0}

(c) 30

^{0}

(d) 60

^{0}

**Question . If two straight lines intersect each other in such a way that one of the angles so formed measure 90^{0}, then each of the remaining angles measures is**

(a) 50

^{0}

(b) 75

^{0}

(c) 90

^{0}

(d) 60

^{0}

**Question. In fig. AB and CD intersect each other at O. If ∠AOC + ∠BOE = 700 and ∠BOD = 400 then the value of ∠BOE is **

(a) 30^{0}

(b) 110^{0}

(c) 120^{0}

(d) 150^{0}

**Question. In fig. POQ is a line, ∠POR = 4x and ∠QOR = 2x then the value of x is **

(a) 50^{0}

(b) 20^{0}

(c) 30^{0}

(d) 900

**Question. In the given fig. ∠AOC + ∠BOD = 750, then the value of ∠COD is**

(a) 130^{0}

(b) 105

(c) 120^{0}

(d) 750

**Question. In the fig. the value of y is: **

(a) 60^{0}

(b) 18^{0}

(c) 30^{0}

(d) 900

**Question. In fig., the value of x is: **

(a) 60^{0}

(b) 15^{0}

(c) 30^{0}

(d) 450

**Question. In fig. ∠POR and ∠QOR form a linear pair if a – b = 80 ^{0} then values of a and b respectively are: **

(a) 130

^{0}and 50

^{0}

(b) 50

^{0}and 130

^{0}

(c) 60

^{0}and 120

^{0}

(d) 40

^{0}and 1400

**Question. For two parallel lines sum of interior angles on the same side of a transversal line is**

(a) 100^{0}

(b) 180^{0}

(c) 90^{0}

(d) 3600

**Question. In fig., lines XY and MN intersect each other at point O. If ∠POY = 900 and a : b = 2 : 3 then the value of ∠C is **

(a) 140^{0}

(b) 120^{0}

(c) 80^{0}

(d) 950

**Question. In fig. ∠XYZ = 640 and XY is produced to point P. If ray YQ bisect ∠ZYP then the value of ∠XYQ is **

(a) 122^{0}

(b) 126^{0}

(c) 302^{0}

(d) 2580

**Question. In fig., b is more than one-third of a right angle than a. The values of a and b are:**

(a) 950 and 85^{0}

(b) 1050 and 75^{0}

(c) 600 and 120^{0}

(d) 650 and 1150

**Question. In fig., n – x = 30 then values of x and n are: **

(a) 126^{0} and 129^{0}

(b) 125^{0} and 28^{0}

(c) 150^{0} and 95^{0}

(d) 1350 and 650

**Question. In fig., q || r and p is transversal. If ∠1 and ∠2, 3 : 2 then the values of ∠3 and ∠4 are: **

(a) 108^{0} and 72^{0}

(b) 72^{0} and 108^{0}

(c) 75^{0} and 105^{0}

(d) 85^{0} and 950

**Question. In fig. the values of x and y are equal to: **

(a) 130^{0}

(b) 150^{0}

(c) 160^{0}

(d) 135^{0}

**Question. In fig. AB and CD intersect each other at O. If ∠AOC + ∠BOE = 700 and ∠BOD = 400 then the value of ∠COE is**

(a) 250^{0}

(b) 70^{0}

(c) 30^{0}

(d) 50^{0}

**Question. In fig, if AB || CD, CD || EF and y : z = 3 : 7 then value of x is: **

(a) 126^{0}

(b) 120^{0}

(c) 58^{0}

(d) 62^{0}

**Question. In fig, if AB || CD, EF ⊥ CD and ∠GED = 126 ^{0} then the value of ∠AGE is **

(a) 126

^{0}

(b) 120

^{0}

(c) 128

^{0}

(d) 54

^{0}

**Question. In fig, if PQ || ST, ∠PQR = 110 ^{0} and ∠RST = 130^{0} then the value of ∠QRS is **

(a) 60

^{0}

(b) 120

^{0}

(c) 80

^{0}

(d) 90

^{0}

**Question. In fig., AB || CD, ∠APQ = 50 ^{0}, ∠PRD = 127^{0}, then the value of x and y respectively are **

(a) 50

^{0}and 77

^{0}

(b) 40

^{0}and 85

^{0}

(c) 60

^{0}and 90

^{0}

(d) 85

^{0}and 75

^{0}

**Question. In fig, AB || CD, the value of x is: **

(a) 185^{0}

(b) 280^{0}

(c) 285^{0}

(d) 195^{0}

**Question. In fig, if ∠AOC, ∠COD are equal and ∠BOD is a right angle, then the values of ∠AOC and ∠COD are: **

(a) 60^{0}

(b) 30^{0}

(c) 45^{0}

(d) 90^{0}

**Question. In fig, the sum of ∠a and ∠b is: **

(a) ∠c + ∠d

(b) ∠d + ∠e

(c) ∠b + ∠c

(d) ∠a + ∠c

**Question. In triangle interior opposite angle is always less than:**

(a) any angle of the triangle

(b) opposite angle

(c) right angle

(d) exterior angle

**Question. In a triangle sum of two interior opposite angles is always equal to:**

(a) third angle

(b) opposite angle

(c) right angle

(d) none of these

**Question. In a triangle exterior angle is always greater than:**

(a) third angle

(b) interior opposite angles

(c) right angle

(d) none of these

**Question:** What is the common between the three angles of a triangle and a linear pair

(a) angles are equal

(b) in both cases sum of angle is 180°.

(c) In triangle there are three angles and in linear pair there are two angles

(d) none of these.

**Question:** In the given below left figure, the bisectors of

**<**

**BCA, intersect each other at point O. If**°

**, the**

(a) 30°

(b) 20°

(c) 40°

(d) 50°

**Question: In the given above right sided figure, <2 and <8 are known as**

(a) exterior angles

(b) exterior angles on the same side of transversal.

(c) alternate angles

(d) alternate exterior angles.

**Question: In the given figure, measure of **

(a) 10.5°

(b) 42°

(c) 111°

(d) 50°

**Question: An angle is 200 more than three times the given angle. If the two angles are supplementary the angles are**

(a) 20° and 160°

(b) 40° and 140°

(c) 60° and 120°

(d) 70° and 110°

**Question: In figure, if l1 || l2, what is the value of x**

(a) 90°

(b) 85°

(c) 75°

(d) 70°

**Question: If a wheel has six spokes equally spaced, then the measure of the angle between two adjacent spokes is **

(a) 90°

(b) 30°

(c) 60°

(d) 180°

**Question: In figure, which of the following statements must be true? **

(i) a + b = d + c (ii) a + c + e = 180° (iii) b + f = c + e

(a) (i) only

(b) (ii) only

(c) (iii) only

(d) (ii) and (iii) both

**Question: The angle which is two times its complement is**

(a) 60

^{°}

(b) 30

^{°}

(c) 45

^{°}

(d) 72

^{°}

**Question: The angle which is two times its supplement is **

(a) 150°

(b) 60°

(c) 90°

(d) 120°

**Question: If lines AB, AC, AD and AE are parallel to a line l, then_________.**

a) A, B, C, D, E are collinear points

b) A, B, C, D, E are noncollinear points

c) AB and AC are parallel and AD and AE are perpendicular

**Answer: A, B, C, D, E are collinear points**

**Question: If two lines are perpendicular to the third line, then those two lines are**

b) neither parallel nor perpendicular

c) perpendicular to each other

d) either parallel or perpendicular

**Answer: parallel to each other**

## Books recommended by teachers

CBSE Class 9 Maths Number Systems MCQs |

CBSE Class 9 Maths Polynomials MCQs |

CBSE Class 9 Maths Coordinate Geometry MCQs |

CBSE Class 9 Maths Linear Equations in Two Variables MCQs |

CBSE Class 9 Maths Introduction to Euclids Geometry MCQs |

CBSE Class 9 Maths Lines and Angles MCQs |

CBSE Class 9 Maths Triangles MCQs |

CBSE Class 9 Maths Quadrilaterals MCQs |

CBSE Class 9 Maths Areas of Parallelogram and Triangle MCQs |

CBSE Class 9 Maths Circles MCQs |

CBSE Class 9 Maths Constructions MCQs |

CBSE Class 9 Maths Herons Formula MCQs |

CBSE Class 9 Maths Surface Areas and Volumes MCQs |

CBSE Class 9 Maths Statistics MCQs |

CBSE Class 9 Maths Probability MCQs |

CBSE Class 9 Mathematics MCQs |

CBSE Class 9 Quantitative Reasoning MCQs |