Task 2

Drag the slider (at bottom) slowly to the right and stop when the central angle measure becomes 180°.
Sketch the diagram above on your vertical surface, and answer the question there too. [br][br][b][color=#9900ff]If the central angle measures 180 degrees[/color][/b], how long is the [b]thick arc length [i]s ? [/i][/b]
Drag the slider (at bottom) slowly to the right and stop when the central angle measure becomes 180°.
Sketch the diagram above on your vertical surface, and answer the question there too. [br][br][b][color=#9900ff]If the central angle measures 180 degrees[/color][/b], [b]what is the area of the white sector (shaded region) ? [/b]
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Information: Task 2