Drag the slider (at bottom) slowly to the right to create a thick black arc that measures 248°.
Sketch your diagram above on your vertical surface, and answer this question there too:[br][br]
[b][size=150]How long is the thick black arc now? [/size][/b]
Drag the slider (at bottom) slowly to the right to create a central angle that measures 248°.
Sketch the diagram above on your vertical surface, and answer the question there too. [br][br][b]What is the area of the white sector (shaded region)? [/b]