Example 1: Area of a Sector of a Circle Using Degrees What is the area of a circular sector whose radius is {eq}3 {/eq} cm and the central angle is {eq}4 5^{\circ} {/eq}?Lesson Summary Register to view this lesson Are you a student or a teacher? I am a student I am a ...
a pizza slice is an example of a sector that represents afractionof a pizza. There are two types of sectors: minor and major sectors. A minor sector is a sector that is less than a semi-circle, whereas, a major sector is a sector greater than a semi-circle. ...
Area of a Sector Example 3 Find the area of the sector below, giving your answer to 1 decimal places. The sector has a central angle of 278° and a radius of 9.6 cm. The area of a sector: \[ A = {\theta \over 360} \pi r^2 \] where A is the area, θ is the central an...
The area enclosed by an arc and the two radii joining the arc’s endpoints with the centre is called the sector of the circle. When the major arc forms the sector, it is called the Major Sector and when the minor arc forms the sector, it is called a Minor Sector. Concentric Circles ...
Surface area of cone = Area of sector + area of circle =πrs + πr2 =πr(r + s) Surface area of a cone when given the slant height Example: A cone has a circular base of radius 10 cm and a slant height of 30 cm. Calculate the surface area. ...
α / 2π = Sector Area / πr² so: Sector Area = r² ×α / 2 Ellipse area formula To find an ellipse area formula, first recall the formula for the area of a circle: πr². For an ellipse, you don't have a single value for radius but two different values: a and b...
and how to apply this area formula to sectors and pieces of a circle. The angles of a circle are often measured in degrees or radians, and we just need to know how to use these measurements as a ratio to find the area of a sector of a circle or a semicircle.This resource explains ...
Is what you are going to study likely to be of any use to solve these problems? I am a computer science graduate and currently working in the technology sector. I am positive that I am contributing to the country’s economy in the form of annual taxes as a law-abiding citizen. I have...
Although most of the studies dealing with area coverage problems consider homogeneous networks, there exist a few studies which utilize HWSNs. For example in [66], the authors assumed that the sensors have arbitrary-shaped nonuniform coverage regions and they can move to a specific direction. The...
very quickly due to legal problems with Germans, fear of moral hazard in some countries and the simple fact that it is hard to convince 18 countries; fear of a mess in case of breakup and sense of survival have been a help in the Euro crisis; it will be a help in the next crisis....