A sector is a fraction of a circle. The angle in the sector is a fraction of 360°. This sector has an angle of θ°. The fraction of the circle is \(\frac{θ}{360}\) The area of the sector will be ...
Forbes contributors publish independent expert analyses and insights. I write about mathematics and its applications The area and perimeter ratios are shown and as n ...
Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Using cushions to build a fort, explore the concept of finding the largest area for a fixed perimeter.
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