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What is the name of the theorem that relates the sides of a right triangle?
Pythagorean Theorem
What do we call a triangle with all three sides equal?
Equilateral triangle
What is the name of a 10-sided polygon?
Decagon
What is the name of the graph that represents a quadratic function?
Parabola
In statistics, what is the difference between “mean” and “median”?
Mean = average of all values; Median = middle value when ordered
What does the symbol ∑ mean in mathematics?
Summation (sum of terms)
What is the term for a number that is divisible only by 1 and itself?
Prime number
What does it mean if two lines are perpendicular?
They meet at a 90° angle
What does “factorising” mean in algebra?
Writing an expression as a product of factors
What is the term for the longest side of a right triangle?
Hypotenuse
What is the name of the method used to solve a system of equations by adding or subtracting them?
Elimination method
What is the name of the set of all points at the same distance from a fixed point?
Circle (in 2D) / Sphere (in 3D)
What is the name of the ratio “opposite ÷ adjacent” in trigonometry?
Tangent (tan)
What is the name of the ratio “adjacent ÷ hypotenuse” in trigonometry?
Cosine (cos)
What is the name of a number that can be written as a fraction of two integers?
Rational number
What do we call an angle that is greater than 90° but less than 180°?
Obtuse angle
