Circles
Presentation
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
Anna Stevens
Used 27+ times
FREE Resource
11 Slides • 2 Questions
1
2
Things you need for today:
A working mind (I know that's a lot to ask at this point in the year, but try your best)
your Hold My Thinking sheet
3
Think about a circle again
This time, try to move away from the dictionary definition you've grown to attached to
Make this circle more personal to you
4
Sketch your circle as you imagine it
Do this on your Hold My Thinking sheet
5
Make a straight line through your circle
Anywhere through your circle
6
Erase only the parts of the line that stick out from your circle
Keep any parts touching the outline or what's inside.
Just erase the sticky-outy bits
7
The segment you just drew is called a chord
Define chord for yourself on your sheet
8
Multiple Select
Based on your definition of chord, which of the following are examples of chords?
9
Did these examples follow your definition of what a chord is?
If "yes", that's great
If "not yet", then sketch an example of one off to the side and see how you can expand your definition and understanding
10
Open Ended
What are at least 2 things you notice about the image of your circle now? [remember that hitting the 'enter' key submits your answer rather than adding a new line of text]
11
Here is an example of an arc, define this word for yourself.
12
A central angle is created using two radii, draw an example of this for yourself
13
Does your central angle look similar to any of these?
Show answer
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