VO: The Ugly Sisters are giving their mouths a lot of exercise this morning in Panto House. They’re munching on piles of cakes, but it’s making them fat and spotty. They love eating cake whilst ...

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 ...

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Figuring out a word problem. Calculating area and perimeter. Finding the measure of an unknown angle. All these tasks, and more, draw on an essential foundation of math knowledge, said Brian Bushart, ...