Upcoming SlideShare
×

# Shapes

40,535 views
39,802 views

Published on

Mengenal bentuk 2D

Published in: Education, Technology
5 Likes
Statistics
Notes
• Full Name
Comment goes here.

Are you sure you want to Yes No
• Excellent! Thanks a bunch!

Are you sure you want to  Yes  No
• this is nice

Are you sure you want to  Yes  No
• good

Are you sure you want to  Yes  No
Views
Total views
40,535
On SlideShare
0
From Embeds
0
Number of Embeds
418
Actions
Shares
0
362
3
Likes
5
Embeds 0
No embeds

No notes for slide

### Shapes

1. 1. shapes
2. 2. shapes 2D
3. 3. <ul><li>D stands for DIMENSIONS </li></ul><ul><li>The 2 dimensions are : </li></ul><ul><li>i. Lengths </li></ul><ul><li>ii. Width </li></ul><ul><li>Shapes with these 2 dimensions are called </li></ul><ul><li>2D SHAPES . </li></ul><ul><li>The face of every 2D shapes are FLAT . </li></ul>What are 2D shapes ?
4. 4. What is a 2D shape ? L W L W L W L – The length of the shape W – The width of the shape The faces are FLAT .
5. 5. Face Corner Straight line Parts of a 2D shapes Angle
6. 6. Face Corner ? Curve side Parts of a 2D shapes x Angle x
7. 7. circle Names of 2D shapes circle square square triangle triangle oval oval rectangle rectangle pentagon pentagon hexagon hexagon heptagon heptagon octagon octagon
8. 8. Names of 2D shapes circle square triangle oval rectangle pentagon hexagon heptagon octagon Name : Circle Face : Round Sides : Curve side Corner : 0 Angle : 0
9. 9. Names of 2D shapes circle square triangle oval rectangle pentagon hexagon heptagon octagon Name : Square Face : Square Sides : Straight sides Corner : 4 Angle : 4
10. 10. Names of 2D shapes circle square triangle oval rectangle pentagon hexagon heptagon octagon Name : Triangle Face : Triangular Sides : Straight sides Corner : 3 Angle : 3
11. 11. Names of 2D shapes circle square triangle oval rectangle pentagon hexagon heptagon octagon Name : Oval Face : Oval Sides : Curve side Corner : 0 Angle : 0
12. 12. Names of 2D shapes circle square triangle oval rectangle pentagon hexagon heptagon octagon Name : Rectangle Face : Rectangular Sides : Straight sides Corner : 4 Angle : 4
13. 13. Names of 2D shapes circle square triangle oval rectangle pentagon hexagon heptagon octagon Name : Pentagon Face : Pentagon Sides : Straight sides Corner : 5 Angle : 5
14. 14. Names of 2D shapes circle square triangle oval rectangle pentagon hexagon heptagon octagon Name : Hexagon Face : Hexagon Sides : Straight sides Corner : 6 Angle : 6
15. 15. Names of 2D shapes circle square triangle oval rectangle pentagon hexagon heptagon octagon Name : Heptagon Face : Heptagon Sides : Straight sides Corner : 7 Angle : 7
16. 16. Names of 2D shapes circle square triangle oval rectangle pentagon hexagon heptagon octagon circle square triangle oval rectangle pentagon hexagon heptagon octagon circle square triangle oval rectangle pentagon hexagon heptagon octagon circle square triangle oval rectangle pentagon hexagon heptagon octagon Name : Octagon Face : Octagon Sides : Straight sides Corner : 8 Angle : 8
17. 17. Face Corner Straight line Parts of a 2D shapes Angle
18. 18. Face Corner Straight line Parts of a 2D shapes Angle
19. 19. Face Corner ? Curve side Parts of a 2D shapes x
20. 20. Parts of a 2D shapes Face Corner Straight line Angle
21. 21. Parts of a 2D shapes Face Corner Curve side x
22. 22. Guess what shape is this It has 3 straight sides and 3 corners… Answer : Triangle
23. 23. Guess what shape is this It has 4 equal sides and 4 corners… Answer : Square
24. 24. Guess what shape is this It has a round face. It has no corners… Answer : Circle
25. 25. Guess what shape is this It has 4 corners and 4 sides. 2 of the sides are longer… Answer : Rectangle
26. 26. Fill in the blanks Name : Face : Sides : Corners : Square square 4 equal sides 4
27. 27. Fill in the blanks Name : Face : Sides : Corners : Rectangle Rectangular 4 straight sides 2 sides longer 4
28. 28. Fill in the blanks Name : Face : Sides : Corners : Triangle Triangular 3 straight sides 3
29. 29. Fill in the blanks Name : Face : Sides : Corners : Circle Round A curve side No corners
30. 30. Fill in the blanks Name : Face : Sides : Corners : Oval Oval A curve side No corners
31. 31. Polygons Characteristic of prisms
32. 32. Types of 2D shapes ? <ul><li>There are 2 types of 2D shapes : </li></ul><ul><ul><li>polygon </li></ul></ul><ul><ul><li>non-polygon </li></ul></ul>Polygons are 2D shapes with only straight sides . 2D shapes which have curved side are called non-polygons .
33. 33. What are polygons? Polygons are 2D shapes with only straight sides . Examples : Straight lines
34. 34. What are polygons? Shapes with curve sides are not polygons. Examples : Curve sides
35. 35. State whether these shapes are polygons Exercise √ √ x √ √ √ x x x √
36. 36. Are these polygons or non-polygons ? Answer
37. 37. Are these polygons or non-polygons ? √ x √ √ x x
38. 38. shapes 3D
39. 39. <ul><li>The 3 dimensions are : </li></ul><ul><li>i. Lengths (L) </li></ul><ul><li>ii. Width (W) </li></ul><ul><li>iii. Depth (D) </li></ul><ul><li>Shapes with these 3 </li></ul><ul><li>dimensions are called 3D SHAPES . </li></ul><ul><li>The face of a 3D shapes can be FLAT or curve . </li></ul>What are 3D shapes ? L W D
40. 40. Names of 3D shapes cube sphere cylinder cone pyramid
41. 41. Characteristic of prisms <ul><li>1. Have at least 2 identical bases </li></ul><ul><li>Have straight sides </li></ul><ul><li>Have faces other than the bases in rectangular shapes </li></ul>
42. 42. Square prism Types of 3D shapes
43. 43. Parts of 3D shapes Face Base Vertex Edge
44. 44. Rectangular prism Types of 3D shapes
45. 45. Triangular prism Types of 3D shapes
46. 46. lines Symmetry & Symmetrical shapes
47. 47. Are these shapes symmetry? How to indicate symmetrical shapes
48. 48. When the shape is cut out in two, are the cutouts the same? How to indicate symmetrical shapes same
49. 49. When the shape is cut out in two, are the cutouts the same? How to indicate symmetrical shapes same
50. 50. When the shape is cut out in two, are the cutouts the same? How to indicate symmetrical shapes same
51. 51. Circle is a symmetrical shape. How to indicate symmetrical shapes The symmetry lines are many.
52. 52. Is a square a symmetrical shape? How to indicate symmetrical shapes
53. 53. How to indicate symmetrical shapes
54. 54. So, is a square a symmetrical shape? How to indicate symmetrical shapes yes
55. 55. How to indicate symmetrical shapes
56. 56. So, is a triangle a symmetrical shape? How to indicate symmetrical shapes yes
57. 57. State whether these shapes are symmetrical or not Exercise √ √ √ √ √ √ √ x x x