Mathematics Terms

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Hypotenuse

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The longest side of a right-angled triangle, opposite the right angle.

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Circumference

Back

The distance around the edge of a circle.

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Median

Back

The middle value in a list of numbers when they are arranged in order.

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Factor

Back

A number that divides exactly into another number.

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Radius

Back

The distance from the centre of a circle to any point on its circumference.

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Mean

Back

The sum of all values divided by the number of values.

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Quadratic Equation

Back

An equation of the form ax² + bx + c = 0.

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Pythagoras' Theorem

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In a right-angled triangle: a² + b² = c².

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Perimeter

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The distance around the boundary of a shape.

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Algebra

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A branch of mathematics dealing with symbols and the rules for manipulating those symbols.