triangles and their sides 3.pptx powerpoint

ppt

1. QUARTER 1 WEEK 2 DAY 3

2. REMEMBER The best way to learn Mathematics is to do Mathematics

3. Let’s Recall

4. Identify the following triangles according to their angles.

5. Identify the following triangles according to their angles. acute triangle right triangle obtuse triangle 1

6. Identify the following triangles according to their angles. acute triangle right triangle obtuse triangle 2

7. Identify the following triangles according to their angles. acute triangle right triangle obtuse triangle 3

8. Let’s try

9. Arrange the given group words to compose a sentences .

10. Quadrilateral Is a figure Quadrilateral is a 4-sided figure. 4-sided

11. angle An obtuse triangle 90 degrees has one An obtuse triangle has one angle greater than 90 degrees. greater than

12. angle that Parallelogram is of parallel a quadrilateral Parallelogram is a quadrilateral with 2 pairs of parallel sides. with 2 pairs

13. side of The longest the hypotenuse Is called The longest side of a triangle is called the hypotenuse a triangle

14. is called leg The shorter a triangle The shorter side of a triangle is called leg side of

15. Let’s explore

16. A triangle is a three-sided figure with three vertices , three sides , and three angles .

17. A triangle with two sides that are congruent. Isosceles triangle

18. A triangle with all sides are congruent. Equilateral triangle

19. A triangle with no congruent sides. Scalene triangle

20. A B C Angle Vertex Sides

21. OBSERVE Hypotenuse Leg

22. A triangle that is one angle is exactly 90 degrees. Right Triangle

23. ` OBSERVE

24. A triangle where all three angles are less than 90 degrees. Acute Triangle

25. ` OBSERVE

26. A triangle with one angle greater than 90 degrees Obtuse triangle

27. The total measure angle of a triangle is 180˚. REMEMBER

28. Lets try

29. Group Activity

30. Group Rules G et along R espect other’s idea O n task U se quiet voices P articipate S tay in your group

31. It’s Your turn

32. Identify the following triangles according to their angles.

33. Identify the following triangles according to their angles. acute triangle right triangle obtuse triangle 1

34. Identify the following triangles according to their angles. acute triangle right triangle obtuse triangle 2

35. Identify the following triangles according to their angles. acute triangle right triangle obtuse triangle 3

36. Identify the following triangles according to their angles. acute triangle right triangle obtuse triangle 4

37. Identify the following triangles according to their angles. acute triangle right triangle obtuse triangle 5

38. It’s Your turn

39. Identify the following triangles according to their angles.

40. Write T if the statement is True, F if the statement is False . 1. Right triangle has two right angle.

41. Write T if the statement is True, F if the statement is False. 2. Scalene triangle has all equal sides.

42. Write T if the statement is True, F if the statement is False . 3. An obtuse triangle has an obtuse angle which measures more than 90˚ but less than 180 ˚

43. Write T if the statement is True, F if the statement is False. 4. the total angle measure of a triangle is 190˚.

44. Write T if the statement is True, F if the statement is False. 5. Right triangle has one right angle which measures exactly 90˚?

45. Using old calendars, cut out different kinds of triangles according to its sides and angles. Assignment