Changes
From Karnataka Open Educational Resources
49 bytes added
, 05:00, 17 May 2019
Line 11: |
Line 11: |
| * Digital : Computer, geogebra application, projector. | | * Digital : Computer, geogebra application, projector. |
| * Non digital : Worksheet and pencil, compass, strings | | * Non digital : Worksheet and pencil, compass, strings |
− | * Geogebra files : Introduction to chords.ggb | + | * Geogebra files : [https://ggbm.at/hkqkamre Introduction to chords.ggb] |
| + | {{Geogebra|hkqkamre}} |
| | | |
| ===Process (How to do the activity)=== | | ===Process (How to do the activity)=== |
Line 21: |
Line 22: |
| * Mark any two points on the circumference of a circle, join the two points. What is this line? | | * Mark any two points on the circumference of a circle, join the two points. What is this line? |
| * Establish chord. | | * Establish chord. |
− | * Move the points to show how the chord length varies. Ask students to observe the changing chord lengths and when the chord length is maximum. Compare chord length with diameter. | + | * Move the slider to show how the chord length varies. Ask students to observe the changing chord lengths and when the chord length is maximum. Compare chord length with diameter. |
| | | |
| * How many parts is the circle divided into by the chord? What do you notice about these two parts? | | * How many parts is the circle divided into by the chord? What do you notice about these two parts? |