Area of Circles
- How many circles of radius \(=2\) ft. would fit in your patio in the shape of a rectangle, parallelogram, triangle, or trapezoid? Draw a diagram.
- If the rectangle is \(12\)ft by \(15\)ft, how much area is not covered by the circles?
- Two concentric circles have radii 3″ and 2″ respectively. See below
- Find the length of an arc whose central angle is 45˚ and whose radius is 3.