The sector of a circle is defined as the portion of a circle that is enclosed between its two radii and the arc adjoining them. It is considered as a portion of a circle with two radii and an arc. A circle is divided into two sectors, the minor sector and the major sector where the...
Learn about the formulas associated with the sector of a circle. Discover the definition of a sector and how to use both the arc length and sector...
If a sector of a circle has an area of π units squared and the measure of its central angle (in degrees) is an integer, then the radius of the circle must be: ( ) A. π B. π^2 C. 6 D. 10 E. 36 相关知识点: 试题来源: 解析 C π=((360))π r^21=(360)r^2360=nr^2...
The sector of a circle shown at left has center C. The total area of the sector is 500. In addition, (arc \ ABD) has length 40. What is the length, l, of line segment (AC)? ( ) A. 12.5 B. 16 C. 20 D. 25 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
A Sector Area Calculator is a tool that calculates the area of a sector of a circle. A sector is a portion of a circle enclosed between two radii and an arc. Enter Information Enter Information: Enter the central angle (in degrees): Enter the radius of the circle: Calculate ...
23 A sector of a circle has an angle of 60°. The are a of the sector is 50 m2.Calculate, to 3 significant figures,(a)the radius, in m, of the sector,m(3)(b) the perimeter, in m, of the sector.---m(3) 相关知识点: 试题来源:...
In a pie chart, if a sector takes up 30% of the circle, what does it mean? A. It represents 30% of the total data. B. It indicates the most important data. C. It shows the least significant data. D. It reflects the average value. ...
Area of a Sector of a Circle: SMART Board Resource for Geometry (Grades 6-12) (eLesson Plan)
In summary, the formula to find the area of a sector in a circle is A = (πr^2θ)/360, where θ is the central angle in degrees. If θ is in radians, the formula becomes A = (r^2θ)/2. The sector area is simply a fraction of the total area of the circle. ...
11 The diagram shows a sector o f a circle o f centre O. The angle subtended at the centre o f the circle is 45° and the are a o f the sector ABO is 10 cm2.B45°O f à(a) Convert 45° to radians, leaving your answer in terms o f π.Answer ... [1]..(b)Find ...