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. If the central angle measures 180 degrees, how long is the thick arc length s ?
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. If the central angle measures 180 degrees, what is the area of the white sector (shaded region) ?