1a : a geometric figure bounded by two radii and the included arc of a circle. b(1) : a subdivision of a defensive military position. (2) : a portion of a military front or area of operation. c : an area or portion resembling a sector bilingual sector of town— David Kleinberg.
What is an example of a sector?
Primary sector – extraction of raw materials – mining, fishing and agriculture. Secondary / manufacturing sector – concerned with producing finished goods, e.g. Construction sector, manufacturing and utilities, e.g. electricity. Quaternary sector (knowledge economy, education, research and development)
What are math sectors?
A sector is a region bounded by two radii of a circle and the intercepted arc of the circle. The angle formed by the two radii is called a central angle. A sector with a central angle less than 180° is called a minor sector. A sector with a central angle greater than 180° is called a major sector.
What does sector mean in science?
geometry
sector. 1. (Science: geometry) A part of a circle comprehended between two radii and the included arc.
What are the types of sector?
There are four different sectors in the economy: primary, secondary, tertiary, and quaternary.
What is a sector math is fun?
more A “pie-slice” part of a circle – the area between two radiuses and the connecting arc of a circle. See: Segment.
What is sector area?
The area of a sector of a circle is the amount of space enclosed within the boundary of a sector. A sector always originates from the center of the circle. A sector of a circle is defined as the portion of a circle that is enclosed between its two radii and the arc adjoining them.
What is perimeter of a sector?
The perimeter is the distance all around the outside of a shape. We can find the perimeter of a sector using what we know about finding the length of an arc. A sector is formed between two radii and an arc. To find the perimeter, we need to add these values together. Perimeter = Arc length + 2r.
What is the formula of chord?
There are two basic formulas to find the length of the chord of a circle: Chord Length Using Perpendicular Distance from the Center = 2 × √(r2 − d2). Proof: In the circle given below, radius r will be the hypotenuse of the triangle so formed, Perpendicular bisector d will be one of the legs of the right angle.
What is sector diagram?
A sector graph is a type of pie graph that compares data using sectors, or sections, in a circle graph. Every sector graph has 3 main parts: title, scales (usually in percentages), and categories. Sector graphs are an easy way to see and compare data you have collected using the shape of something we all love…pie.
What is a perimeter of a sector?
What is the state sector?
noun. The part of a country’s economy that is under the control of the State, or a state; = “public sector”; specifically (chiefly British) the education system funded or provided by the State.
