Question 1 :
State TRUE or FALSE. An angle is formed when two lines or rays or line segments meet or intersect.
Question 2 :
If the complement of an angle is $62^{\circ}$, then what is its supplement?
Question 3 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7d9f59b460d7261e7a0.PNG' />
In the above figure, the legs of a stool make an angle of $35^{\circ}$ with the floor. What are the angles x and y?
Question 4 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7b8f59b460d7261e771.PNG' />
In the above figure, CD intersects the line AB at F, $\angle CFB = 50^{\circ}$ and $\angle EFA$ = $\angle AFD$. Find the measure of $\angle EFC$.
Question 5 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7bcf59b460d7261e776.PNG' />
In the above figure, POR is a line. The value of a is
Question 6 :
If the complement of an angle is $79^{\circ}$, then the angle will be of
Question 8 :
Two angles are making a linear pair. If one of them is one-third of the other, what are the angles?
Question 9 :
State TRUE or FALSE. Interior angles on the same side of a transversal with two distinct parallel lines are complementary angles.
Question 10 :
What is the type of other angle of a linear pair if one of its angles is right?
Question 11 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7cbf59b460d7261e78b.PNG' />
In the above figure, if $PQ \| RS$ and $QR \| TS$, then the value of a is
Question 12 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7b9f59b460d7261e772.JPG' />
In the above figure, PQ is a mirror, AB is the incident ray and BC is the reflected ray. If $\angle ABC $ =$ 46 ^ { \circ }$ , $\angle ABP$ is equal to -
Question 13 :
Out of a pair of complementary angles, one is two-third of the other. What are the angles?
Question 14 :
State TRUE or FALSE. When the sum of the measures of two angles is 180°, the angles are called complementary angles. Each of them is called complement of the other.
Question 15 :
The angle which makes a linear pair with an angle of $61^{\circ}$ is of
Question 17 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7d7f59b460d7261e79d.PNG' />
In the above figure, a road crosses a railway line at an angle of $30^{\circ}$ . What is the value of a?
Question 18 :
What is the type of other angle of a linear pair if one of its angles is obtuse?
Question 19 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7d3f59b460d7261e797.PNG' />
In the above figure, are the pair of angles adjacent?
Question 20 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7e7f59b460d7261e7b4.PNG' />
In the above figure, two parallel lines l and m are cut by two transversals n and p. Find the values of x and y.
Question 21 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7dff59b460d7261e7a8.PNG' />
In the above figure, three lines AB, CD and EF intersect each other at O. $\text { If } \angle AOE = 30 ^ { \circ } \text { and } \angle DOB = 40 ^ { \circ }$, what is $\angle COF$?
Question 22 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7c0f59b460d7261e77c.PNG' />
In the above figure, $\angle ROS $ is a right angle and $ \angle POR $ and $\angle QOS $are in the ratio 1 : 5 . Then, $ \angle Q O S$ measures-'
Question 23 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7e3f59b460d7261e7ae.PNG' />
In the above figure, $QP \| RS$. Find the value of a.
Question 24 :
In a pair of complementary angles, each angle cannot be more than _________.
Question 25 :
State TRUE or FALSE. Sum of interior angles on the same side of a transversal with two parallel lines is 90°.
Question 26 :
State TRUE or FALSE. One obtuse angle and one acute angle can make a pair of complementary angles.
Question 27 :
State TRUE or FALSE. Two right angles are always supplementary to each other.
Question 28 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7b8f59b460d7261e770.PNG' />
In the above figure, $AB\|EF,\ ED\|CB$ and $\angle APE$ is $39^{\circ}$. What is $\angle CQF$?
Question 29 :
If sum of measures of two angles is $90^{\circ}$, then the angles are _________.
Question 30 :
If a transversal intersects two parallel lines, then corresponding angles are on the _________ side of the transversal.
Question 31 :
State TRUE or FALSE. Sum of two supplementary angles is 180°.
Question 32 :
The difference of two complementary angles is $30^{\circ}$. Then, the angles are
Question 33 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7b6f59b460d7261e76e.PNG' />
In the above figure, the points A, O and B are collinear. Ray OC ⊥ ray OD. Are $\angle AOD$ and $\angle BOC$ complementary?
Question 34 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7dbf59b460d7261e7a2.PNG' />
In the above figure, it shows iron rods a, b, c, d,e and f are making a design in a bridge, in which $a \| b, c \| d, e \| f$. What are the marked angles between d and f?
Question 35 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7e5f59b460d7261e7b1.PNG' />
In the above figure, PQ, RS and UT are parallel lines. If $c = 57 ^ { \circ }$ and $a = \frac { c } { 3 }$ , find the value of d.
Question 36 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7c9f59b460d7261e789.PNG' />
In the above figure, line l intersects two parallel lines PQ and RS. Then, which one of the following is true?
Question 37 :
State TRUE or FALSE. Two angles making a linear pair are always supplementary.
Question 38 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7baf59b460d7261e773.PNG' />
In the above figure, the value of x is
Question 39 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7c1f59b460d7261e77d.PNG' />
For the above figure, statements p and q are given below:
p: a and b are forming a linear pair.
q: a and b are forming a pair of adjacent angles. Then,
Question 40 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7e4f59b460d7261e7b0.PNG' />
In the above figure, $PQ \| RT$. Find the value of a + b.
Question 41 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7baf59b460d7261e774.PNG' />
In the above figure, $\text { if } AB \| CD , \angle APQ = 50 ^ { \circ } \text { and } \angle PRD = 130 ^ { \circ } , \text { then } \angle QPR \text { is }$.
Question 42 :
State TRUE or FALSE. Two right angles are complementary to each other.
Question 43 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7c5f59b460d7261e783.PNG' />
In the above figure, POQ is a line, then a is equal to
Question 44 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7c3f59b460d7261e780.PNG' />
In the above figure, if $\text { QP } \| \text { SR }$, the value of a is
Question 45 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7e2f59b460d7261e7ad.PNG' />
In the above figure, $l||m$ and a line t intersects these lines at P and Q, respectively. Find the sum 2a +b.
Question 46 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7bbf59b460d7261e775.PNG' />
In the above figure, lines l and m intersect each other at a point. Which of the following is false?
Question 47 :
State TRUE or FALSE. Sum of two complementary angles is 180°.
Question 48 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7e6f59b460d7261e7b3.PNG' />
In the above figure, AB∥CD. Find the reflex $\angle E F G .$
Question 49 :
The sum of two vertically opposite angles is $166^{\circ}$. What are each of the angles.
Question 50 :
State TRUE or FALSE. Two supplementary angles are always obtuse angles.
