# Science Quiz / 'S' in math

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## Can you name the 'S' in math?

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A quadrilateral with 4 equal, parallel edges and 4 right angles.
A ball.
A branch of mathematics concerned with collecting and interpreting data.
The '____ ___' of a number x is a number y such that y^2 = x.
A list of real numbers mapped from the natural numbers, usually expressed in terms of an 'nth term'.
A type of triangle which has no equal edges.
The operation of combining numbers using addition.
The capital Greek letter commonly used to represent the previous answer.
One of the trigonometric functions, characterised by the ratio of the opposite edge divided by the hypotenuse of a right angled triangle.
The area of a disk (or circle) enclosed by two radii and an arc (like a slice of pizza)
A collection of well defined objects, written in braces { }.
The sum of the terms of a sequence.
A line which intersects a circle exactly twice. (Also the name of one of the reciprocal trigonometric functions).
A method of finding Prime numbers, the '____ of Eratothenes'.
A curve which emanates from a central point, progressively getting farther away. (The logarithmic version of this curve is commonly found in nature).
Two lines in 3D space which never intersect, but aren't parallel are:
Two shapes which have this property are the same shape, but can be of different size.
The least upper bound of a set.
A subset of a vector space which is non empty and closed under linear combinations.
Two angles have this property if the add up to 180 degrees.

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