Question 1 :
Fill in the blank: If two lines intersect at a point, then the vertically opposite angles are always ______.
Question 2 :
What is the measure of the supplement of 125 degrees ?
Question 3 :
What is the measure of the supplement of 100 degrees ?
Question 4 :
What is the measure of the complement of 54 degrees ?
Question 5 :
Fill in the blank: If two lines intersect at a point, and if one pair of vertically opposite angles are acute angles then then other pair of vertically opposite angles are _______.
Question 6 :
Fill in the blank: If two angles are complementary, then the sum of their measure is ________.
Question 7 :
Fill in the blank: If two angles are supplementary, then the sum of their measure is ________.
Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9c0f59b460d7261ea0a.JPG' />
In the above fig, how many pairs of corresponding angles are there ?
Question 10 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9b4f59b460d7261e9fb.JPG' />
In the above fig, which of the two form a linear pair ?
Question 11 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9c2f59b460d7261ea0d.JPG' />
In the above fig, how many pairs of adjacent angles are there ?
Question 12 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9ccf59b460d7261ea1b.JPG' />
In the above fig, is ∠1 adjacent to ∠2?
Question 14 :
Identify which of the following pairs of angles are complementary : (i)65º, 115º (ii)63º, 27º (iii)112º, 68º (iv)130º, 50º (v)45º, 45º (vi)80º, 10º.
Question 15 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9bdf59b460d7261ea06.JPG' />
In the above fig, ∠1 and ∠5, ∠2 and ∠6,∠3 and ∠7, ∠4 and ∠8 are ?
Question 17 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9d1f59b460d7261ea22.JPG' />
In the above figure, is ∠1 adjacent to ∠2?
Question 18 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9d1f59b460d7261ea21.JPG' />
How many linear pairs are there in the above fig ?
Question 20 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9c1f59b460d7261ea0c.JPG' />
In the above fig, how many pairs of supplementary angles are there ?
Question 22 :
When a transversal cuts two lines, such that pairs of alternate interior angles are equal, the lines have to be __________.
Question 23 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cac4f59b460d7261eb65.PNG' />
In the above figure, arms of two angles are equal and $\angle ABC= 70^{\circ}$. Which of the following statements is NOT correct ?
Question 26 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9b5f59b460d7261e9fc.JPG' />
In the above fig, which of the following forms a linear pair ?
Question 28 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9d6f59b460d7261ea28.JPG' />
Find the values of the angle z in the above fig.
Question 29 :
A line that intersects two or more lines at distinct points is called a transversal. TRUE or FALSE ?
Question 30 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9c9f59b460d7261ea17.JPG' />
In the above fig, decide in which all is l parallel to m ?
Question 32 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9e2f59b460d7261ea39.JPG' />
In the above fig, p || q. Find f.
Question 34 :
When the sum of the measures of two angles is 90°, the angles are called ________________ angles.
Question 35 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9d4f59b460d7261ea26.JPG' />
Find the values of the angle x in the above fig.
Question 36 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9e1f59b460d7261ea37.JPG' />
In the above fig, p || q. Find d.
Question 37 :
The difference in the measures of two complementary angles is 12 degrees. Find the measures of the angles.
Question 38 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9dcf59b460d7261ea31.JPG' />
In the above fig, how many pairs of interior alternate angles are there ?
Question 39 :
What is the measure of the supplement of 55 degrees ?
Question 42 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9aff59b460d7261e9f4.JPG' />
In the above fig, which of the following pairs are complementary?
Question 43 :
State True/False: If two adjacent angles are supplenmentary, they form a linear pair.
Question 44 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9e0f59b460d7261ea36.JPG' />
In the above fig, p || q. Find c.
Question 45 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9d7f59b460d7261ea29.JPG' />
In the above fig, how many pairs of obtuse vertically opposite angles are there ?
Question 46 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9ddf59b460d7261ea32.JPG' />
In the above fig, how many pairs of interior angles on the same side of the transversal are there?
Question 48 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9e1f59b460d7261ea38.JPG' />
In the above fig, p || q. Find e.
Question 49 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9def59b460d7261ea34.JPG' />
In the above fig, p || q. Find a.
Question 50 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9b7f59b460d7261e9ff.JPG' />
In the above fig, ∠1 = 30º, find ∠2 and ∠3.