Asked by Eiyannah
Use 22/7 as an approximation for p.0.7 m5.A walkway is formed by four semicircles as shown below. The diameter of the inner semicircles is 14 feet. The width between the outer and inner semicircles is 2 feet. Find the area of the walkway. Use 3.14 as an approximation for π.
Answers
Answered by
Steve
can't see the diagram, but the area of a semi-circle is π/2 r^2
So, the area between two semi-circles of radii r and R is
π/2 (R^2-r^2)
You have circles of radii 14 and 16. So, plug in your numbers.
So, the area between two semi-circles of radii r and R is
π/2 (R^2-r^2)
You have circles of radii 14 and 16. So, plug in your numbers.
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