WJEC GCSE Mathematics Geometry and measures overview quiz quiz

Angles on a straight line sum to what?

The interior angles of a polygon with $n$ sides sum to which expression?

A regular polygon has exterior angle $40^\circ$. How many sides has it?

In parallel lines, co-interior (allied) angles are described how?

What is the area of a circle of radius $r$?

The volume of a cone with radius $r$ and height $h$ is which formula?

A right-angled triangle has shorter sides $8$ and $15$. What is the hypotenuse?

Which trig ratio uses the opposite and the hypotenuse?

Which rule finds the third side of a triangle from two sides and the included angle?

Describe fully the transformation mapping $(x, y)$ to $(x, -y)$.

An enlargement has scale factor $-2$. What does the negative sign do?

Two similar solids have linear scale factor $2$. Their volumes differ by what factor?

Which condition proves two triangles congruent using a right angle, the hypotenuse and one side?

The locus of points a fixed distance from a single point is what?

Given $\mathbf{a} = \binom{3}{2}$ and $\mathbf{b} = \binom{1}{4}$, what is $2\mathbf{a} - \mathbf{b}$?

Two vectors are parallel when one is which of the other?