1. Dhaka Cantt Girls’ Public School & College Welcome Welcome

3. Angle

4. Dhaka Cantt Girls’ Public School & College

6. Learning Outcomes At the end of the part, the student will be able to… o Explain angles, straight angle, adjacent angles, supplementary angles, complementary angle o Measure and classify the angles Dhaka Cantt Girls’ Public School & College

7. How to make angle/ angles: Ray B A C Meeting Point Angle ABC or Angle CBA Dhaka Cantt Girls’ Public School & College

8. Adjacent Angles

9. Right angle Dhaka Cantt Girls’ Public School & College Right angle=90 degree

10. Complimentary Angles Dhaka Cantt Girls’ Public School & College Summation of two complimentary angle= 90 degree

11. Supplementary Angles Dhaka Cantt Girls’ Public School & College Summation of two supplementary angle= 180 degree

12. Group Work Dhaka Cantt Girls’ Public School & College  Draw three different types’ supplementary angles and show that summation of every pair of supplementary angles is equal to 180 degree.

13. Evaluation Dhaka Cantt Girls’ Public School & College 1.What is the measure of a triangle? 2. In the figure above, what is the value of X? 3. In the figure above, what is the value of X?

14. Dhaka Cantt Girls’ Public School & College  Prove that the sum of two adjacent angles produced by a ray when it meet with a straight line is equal to two right angles.

15. Dhaka Cantt Girls’ Public School & College