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...3) Therefore, the

**area of**maximum shape for**a**given perimeter must have...convex shape. 4) Only the**circle**has this property. ...**circle**. Imagine that the sectors**of**the**circle**is ...5 Answers · Science & Mathematics · 04/12/2007

let the radius

**of**the**circle**be r circumference = 2pi r and the edge**of**the**sector**will be 2pi r/3 Next, we take that edge and turn it into**a**new**circle**, the base**of**the cone. circumference is now 2pi r/3 so diameter**of**the new**circle**...1 Answers · Science & Mathematics · 19/01/2013

The

**area of a circle**is Pi x R2 = 3.14 x 9 x 9 = 254.5 sq in. If the...**area of**the section is 42.4 in sq. If you double the central angle, the**area**doubles.2 Answers · Science & Mathematics · 17/04/2011

The

**area of**each segment will be: (22/7*r*r)/n where n is the number**of**equal sectors you have divided it into. So, yes the formula will work.1 Answers · Science & Mathematics · 06/06/2008

...respectively. Lateral surface area of a cone r and l are the radius and slant height, respectively. Circular sector r and θ are the radius and angle... disk is the area enclosed in a circle .

4 Answers · Science & Mathematics · 02/10/2006

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