A circle has a radius of 18 ft and an arc length of 11 π. What is the measure of the central angle of
1 answer:
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Answer:
Step-by-step explanation:
we know that
The area of the figure is equal to the area of rectangle (figure 1) plus the area of trapezoid (figure 2)
see the attached figure to better understand the problem
The area of the rectangle is
The area of the trapezoid is
The area of the figure is
