Wednesday, March 17, 2010

Circles

radius - distance from the centre of the circle to the outside edge. represented by small b

diameter - distance across a circle through its cent
re . represented by small d

a diameter is 2 radii d=2r r=d/




construct a circle a radius of 4cm
1. start with centre of circle
2. measure the length of radius on a string

3. pencil at one of string and pin the sting in the centre of the circle.

4. trace an ARC around the centre

using a compass
1. measure a line the length of a radius
2. sharp line of compass in the centre of circle
3. pencil at the other end of the line
4. draw an ARC around the centre



TEXTBOOK:
page 270 - 272
# 1 -15 odd then even

PS:
feel free to comment and tell me ifIi did any mistakes or miss some parts.
thanks.



20 comments:

  1. Nice job windy next time put some video but nice job keep it up

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  2. Good Job Windy!! i like the colours! Next time put some videos.All in all good job! Keep up the goodwork!

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  3. Fantastic Job Windy! your scribe is clear and well organized, and i think you didn't miss a thing about our lesson today!Good Job :D

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  4. You did an awesome scribe, but you did make a mistake because diameter is represented by a small r not b.

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  5. Great Job Windy, i liked your different array of colors

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  6. Good job Windy! I liked how you added in a few pictures and colors. Next time, try adding a link. Overall, you did a great job!

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  7. Good Joob Windy! I like the pictures you used and the colors you used. Next time, add a video and a link (:

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  8. GOOD JOB WINDY for the THIRD time! Your scribe is colorful and you added some pictures. But next time time, try to add some videos or links. Also, like Duyen said, radius is represented by a small r, you also made one spelling error.But overall, you did a GREAT JOB!
    KEEP IT UP!!!

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  9. Good job Windy, i liked how you used a variety of colors and how you organized it. Keep it up !

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  10. Good Job windy, i liked your pictures and the variety of colors you decided to use.

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  11. This comment has been removed by the author.

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  12. Good job Windy! I liked how you added variety of colours. However, try to add some links next time.Over all, you did a fantastic job.keep it up!:)

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  13. I liked the pictures. Next time you should add a video.

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  14. Good job Windy. I liked the pictures. But next time try to put in a video and a link

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  15. Your scribe is colorful and you added some great pictures. But next time time, try to add some videos or links. Overall you did a great job.

    ReplyDelete