SOLUTION: A sector of the circle has a central angle measuring pi over 4. Find the sector perimeter and the secotr's area.

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Question 444699: A sector of the circle has a central angle measuring pi over 4. Find the sector perimeter and the secotr's area.
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
What is the radius of the circle?
With the radius unknown the perimeter of the sector would be P = 2r+%2B+%28r%2Api%29%2F4+=+%28%28pi+%2B+8%29%2F4%29r, and the area would be
A+=+%281%2F2%29%28pi%2F4%29r%5E2+=+%28pi%2F8%29r%5E2