# Flashcards - FTCE Middle Grades Math: Circles & Arc of a Circle

Flashcards - FTCE Middle Grades Math: Circles & Arc of a Circle
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arc length
Determining the length of an irregular arc segment is also called rectification of a curve
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tangent
In geometry, the tangent line to a plane curve at a given point is the straight line that "just touches" the curve at that point
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chord
A chord, in music, is any harmonic set of usually three or more notes that is heard as if sounding simultaneously
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locus
A locus in genetics is the position of a gene on a chromosome
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circle
A circle is a simple closed shape in Euclidean geometry
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circle
A circle is a simple closed shape in Euclidean geometry
locus
A locus in genetics is the position of a gene on a chromosome
chord
A chord, in music, is any harmonic set of usually three or more notes that is heard as if sounding simultaneously
tangent
In geometry, the tangent line to a plane curve at a given point is the straight line that "just touches" the curve at that point
arc length
Determining the length of an irregular arc segment is also called rectification of a curve
inscribed angle
In geometry, an inscribed angle is the angle formed in the interior of a circle when two secant lines intersect on the circle
tangent to a circle
In Euclidean plane geometry, a tangent line to a circle is a line that touches the circle at exactly one point, never entering the circle's interior
central angle
A central angle is an angle whose apex is the center O of a circle and whose legs are radii intersecting the circle in two distinct points A and B
major arc
In Euclidean geometry, an arc is a closed segment of a differentiable curve
secant
In mathematics, the trigonometric functions are functions of an angle
area of a sector
A circular sector or circle sector , is the portion of a disk enclosed by two radii and an arc, where the smaller area is known as the minor sector and the larger being the major sector

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