Class 9, date -10.7.20, day 1, Lines and angles (Revision)

                                                                                      

Class -Work

Oral Questions now and after Class you will write in your Geometry copy.

1.In which alphabets you see right angle? (15 secs)

2.what is the measure of angle at 9.15am? (5 secs)

Video time -3 minutesComplementary and Supplementary angles

3. What is the difference between linear pair and supplementary angles? (5 secs) (Explain with figure in copy)

4. The complementary angle of a. 50 degree.      b. 89 degree

5.The supplementary angle of a .127 degree      b.34 degree

Video time -5 minutesParallel lines       

6. Which alphabet is the best example of alternate angles?

7.In X which angle you can explain?

8.Name the alphabets you can see parallel lines.