Question 2 :
When two lines intersect, the vertically opposite angles so formed are ___________.
Question 3 :
What is the measure of the complement of 65 degrees ?
Question 4 :
<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 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 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9daf59b460d7261ea2e.JPG' />
In the above fig, If a || b, then ∠1 = ∠5 as they are ________________ angles.
Question 7 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9bbf59b460d7261ea04.JPG' />
In the above fig, ∠3, ∠4, ∠5, ∠6 are ?
Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9d2f59b460d7261ea23.JPG' />
Find the values of the angles x in the above fig.
Question 9 :
<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 10 :
Fill in the blank: Two angles forming a linear pair are _______.
Question 12 :
<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 13 :
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 14 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9d9f59b460d7261ea2d.JPG' />
In the above fig, how many pairs of adjacent angles are there that do not form a linear pair are there ?
Question 16 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9bef59b460d7261ea08.JPG' />
In the above fig, ∠1 and ∠8, ∠2 and ∠7 are ?
Question 18 :
If two lines intersect at a point, then the vertically opposite angles are always_____________.
Question 19 :
<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 20 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9cff59b460d7261ea1f.JPG' />
In the above fig, are ∠BOD and ∠DOA supplementary?