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...
Discover the meaning of a perimeter, arc, and sector of a circle. See how to calculate the perimeter of an arc and the sector of a circle, with...
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:...
题目 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 ...
【题目】T he diagram shows the sector of a circle drawn on an Argand diagram. T he centre of thecircle, x, represents the complex number -1-2iand the AB is the locus of points zc that satisy theequaionr(-+1)=, wher beC,θ∈R.Write down the complex numbe represented bythe ...
7 The are a of a sector of a circle is 36.288cm2. The angle of the sector is 0 radians and the radius of the circle is rcm.(a) Find an expression for 0 in terms of r.田The perimeter of the sector is 24.48cm.(b) Showthatθ=(24.48)/r-2田(c) Find the possible values of...
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...
Area of a Sector of a Circle: SMART Board Resource for Geometry (Grades 6-12) (eLesson Plan)
The diagram shows the sector of a circle drawn on an Argand diagram. The centre of the circle, X, represents the complex number -1-2 and the (AB) is the locus of points z∈ that satisfy the equation ( (z-3+1)(z-b))=θ , where b∈ , θ∈ .Write down the complex numbe rep...
Properties of circle in math | Arc, Perimeter, Segment of circle Terminology related to circles in math: Properties of circle : Circle Formulas in Math : Area and circumference of a circle: Arc and sector of a circle: Segment of circle and perimeter of segment: Area of the circular ring:...