COMBINATION - A branch of mathematics that analyzes different ways of grouping the elements of a set and calculating the number of these groupings.
COMPASS - Drawing instrument used to draw circumferences.
COMPENSATION - A way of making an estimate where you can adjust an underestimated (below value) or overestimated (above value) result to get an approximate result closer to reality.
LENGTH - Measure one line. It can be the measurement of the side of a polygon, the edge of a spatial figure, etc.
COMMUNICATION - Law that allows changing the order of the terms of an addition or multiplication without changing the result.
A + B = B + A
A × B = B × A
CONCENTRIC - Concentric figures are those that have the same center.
CONE - A spatial figure having (generally) a circular base delimited by a curved surface obtained by rotating a line around a fixed axis, these two lines intersecting at the apex of the cone.
CONGRUENCE - Characteristic of what is congruent.
CONGRUENT - Congruent figures are those that have the same shape and the same size.
CONJUGATE - In addition a + b, is called the addition a-b. In complex numbers, a + bi has as a conjugate a-bi.
SET - It's a collection of elements. Between a set and the objects there is a pertinence relation, that is, when an object x is one of the elements of the set A, we say that x belongs to A.
ADDITIONAL ASSEMBLY - The complement of set A in the universe Uses the set that results from the exclusion of U from all elements of A.
CONSECUTIVE - Consecutive numbers are numbers that follow. For example, 4, 5, and 6 are consecutive numbers.
CONSTANT - A value that does not change. In the formula v = 4t + 2. 4 and 2 are constants, v and t are variables. But constants can also be represented by letters.
TELL - Associate objects in a unique way with natural numbers.
CONTRADOMAIN OF A FUNCTION It is the set of images given by the function, that is, the set of values of the dependent variable. Represented by CD or Df '.
COORDINATES IN THE PLAN - The coordinates of a point in the plane are identified by an ordered pair P = (x, y) of numbers, which serve to determine the position of this point in relation to the considered system of axes. The first coordinate x of the ordered pair is the abscissa and the second coordinate y and the ordered.
ROPE - Two points A and B belonging to a curve define a line segment AB called a rope.
COROLLARY - Immediate consequence of a theorem.
Cosine (Waistband) - In a right-angled triangle, the cosine of an acute angle is the quotient between the adjacent side of the angle and the hypotenuse. As for example: cos 0 ° = 1, cos 90 ° = 0.
Cryptogram - A game in which digits are replaced by letters or other symbols of an arithmetic operation.
CUBE - A rectangular prism that has six square faces. Each set of three edges is at a point called the vertex and two of these edges always form a right angle. The six faces are parallel two by two.
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