Two straight lines $AB$ and $CD$ cut each other at $O$. If $\angle\text{BOD}=63^\circ,$ then $\angle\text{BOC}=$
- A$63^\circ$
- ✓$117^\circ$
- C$17^\circ$
- D$153^\circ$
Answer: B.
View full solution →Question types
Lines And Angles question types
199 questions across 7 question groups — pick any mix to generate a Maths paper with step-by-step answer keys.
199
Questions
7
Question groups
5
Question types
01
M.C.Q
66 Q→02True False[1 Marks ]
9 Q→03Fill In The Blanks[1 Marks ]
27 Q→041 Marks Question
20 Q→052 Marks Questions
28 Q→063 Marks Question
28 Q→074 Marks Questions
21 Q→Sample Questions
Lines And Angles questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Given $\angle\text{POR}=3\text{x}$ and $\angle\text{QOR}=2\text{x}+10^\circ.$If $POQ$ is a straight line, then the value of $x$ is:
- A$30^\circ$
- ✓$34^\circ$
- C$36^\circ$
- DNone of these
Answer: B.
View full solution →In figure, the value of $x$, is: 
- A$12$
- B$15$
- ✓$20$
- D$30$
Answer: C.
View full solution →In figure, if lines $l$ and $m$ are parallel lines, then $x =$ 
- A$70^\circ$
- B$100^\circ $
- ✓$40^\circ$
- D$30^\circ$
Answer: C.
View full solution →In figure, if $CP || BQ$, then the measure of $x$ is: 
- ✓$130^\circ$
- B$105^\circ$
- C$175^\circ$
- D$125^\circ$
Answer: A.
View full solution →The following statements are true $(T)$ and which are false $(F)?$ If two adjacent angles are equal, then each angle measures $90^\circ $.
View full solution →The following statements are true $(T)$ and which are false $(F)?$ Angles forming a linear pair are supplementary.
View full solution →The following statements are true $(T)$ and which are false $(F)?$ Give reasons. Two lines perpendicular to the same line are perpendicular to each other.
View full solution →The following statements are true $(T)$ and which are false $(F)?$ Give reasons. If two lines are intersected by a transversal, then corresponding angles are equal.
View full solution →The following statements are true $(T)$ and which are false $(F)?$ Give reasons. Two lines parallel to the same line are parallel to each other.
View full solution →Fill in the blank in the following to make the statement true: If two parallel lines are intersected by a transversal, then each pair of corresponding angles are ______.
Fill in the blank so as to make the following statements true: If one angle of a linear pair is acute, then its other angle will be ________ .
Fill in the blank in the following to make the statement true: If a transversal intersects a pair of lines in such a way that a pair of alternate angles we equal. then the lines are ______.
Fill in the blank in the following to make the statement true: Two lines parallel to the same line are __________ to each other.
Fill in the blank so as to make the following statements true:If the sum of two adjacent angles is $180^\circ ,$ then the _____ arms of the two angles are opposite rays.
View full solution →Write the complement of the following angles :$ 35^\circ $
View full solution →Write the complement of the following angles: $20^\circ $
View full solution →Write the complement of the following angles:$ 30^\circ$
View full solution →Write the supplement of the following angles:$ 132^\circ $
View full solution →Write the complement of the following angles: $90^\circ$
View full solution →In figure, find the value of $x.$
View full solution →Which pair of lines in the below figure is parallel? Give reasons.
An angle is equal to $8$ times its complement. Determine its measure.
View full solution →In figure, $AOC$ is a line, find $x.$
View full solution →Write the supplement of an angle of measure $2y^\circ .$
View full solution →If a wheel has six spokes equally spaced, then find the measure of the angle between two adjacent spokes.
Prove that the straight lines perpendicular to the same straight line are parallel to one another.
In figure, arms $BA$ and $BC$ of $\angle\text{ABC}$ are respectively parallel to arms $ED$ and $EF$ of $\angle\text{DEF}.$ Prove that $\angle\text{ABC}=\angle\text{DEF}.$
View full solution → How many pairs of adjacent angles, in all, can you name in figure $10.36$.
View full solution →In figure, $AB\ ||\ CD\ ||\ EF$ and $GH\ ||\ KL$. Find $\angle\text{HKL}.$
View full solution →Prove that the bisectors of a pair of vertically opposite angles are in the same straight line.
Define complementary angles.
In figure, Line $l_1$ and $l_2$ intersect at $O$, forming angles as shown in the figure. If $x = 45$, find the value of $y, z$ and $u.$ 
View full solution →In figure, rays $OA, OB, OC, OD$ and $OE $have the common end point $O$. Show that $\angle\text{AOB}+\angle\text{BOC}+\angle\text{COD}+\angle\text{DOE}+\angle\text{EOA}=360^\circ.$ 
View full solution →In figure, lines $PQ $and $RS $intersect each other at point $O$. If $\angle\text{POR}:\angle\text{ROQ}=5:7,$ find all the angles.
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