Question: 19. A statue with a circular base is to be placed in an elliptical grass area as shown below. Find the area of the grass.

19. A statue with a circular base is to be placed in an elliptical grass area as shown below. Find the area of the grass. The equation for the grass ellipse is 36x* + 72y= = 3600 and the circle is x* + (y + 4)" = 9, in meters. 10+ -12 - 10 -5 -6 2 0 12 -10 Answer 20. A landscape design calls for a stone walkway made of three semi annuli as shown in the figure below. One case of stones costs $35 and covers 20 square feet. Find the most likely cost of the stones needed to tile the walkway when R = 10 feet and r = 5 feet. a= 540"

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