Question Text
Question 1 :
If two lines intersect at a point, and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are __________.
Question 3 :
<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 4 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9c0f59b460d7261ea0b.JPG' />
In the above fig, how many pairs of interior alternate angles are there ?
Question 5 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9d4f59b460d7261ea25.JPG' />
Find the values of the angle y in the above fig.
Question 6 :
<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 7 :
<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.
Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9e4f59b460d7261ea3c.JPG' />
In the above fig, the arms of two angles are parallel. If ∠ABC = 70º, then find ∠DGC.
Question 10 :
<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 ?