The Measure of central angle XYZ is 1.25pie radians. What is the area of the shaded sector?

1. 10pie units2
2. 20pie units2
3. 20pie units2
4. 40pie units2
5. 80pie units2

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An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Acircle has a circumference of 7.850 units. what is its radius?