What is the result of the vector addition $\begin{pmatrix} 5 \\ 2 \end{pmatrix} + \begin{pmatrix} -1 \\ 4 \end{pmatrix}$?

$\begin{pmatrix} 4 \\ 6 \end{pmatrix}$

What is the locus of all points that are exactly $5$ cm from a fixed point $O$?

A circle of radius $5$ cm centred on $O$

12questions. Pick an answer and you'll see why right away.

What is the sum of the interior angles of a hexagon?
A right-angled triangle has shorter sides $6$ cm and $8$ cm. What is the length of the hypotenuse?
What is the area of a trapezium with parallel sides $5$ cm and $9$ cm and height $4$ cm?
What is the circumference of a circle with radius $7$ cm, in terms of $\pi$ ?
Each exterior angle of a regular polygon is $40^\circ$ . How many sides does the polygon have?
What is the value of $\theta$ if $\tan\theta = 1$ in a right-angled triangle?
A triangle has its lengths tripled by an enlargement centred at the origin. What is the scale factor?
What is the result of the vector addition $\begin{pmatrix} 5 \\ 2 \end{pmatrix} + \begin{pmatrix} -1 \\ 4 \end{pmatrix}$ ?
What is the size of the angle in a semicircle, by the circle theorems?
What is the volume of a cuboid measuring $2$ cm by $3$ cm by $4$ cm?
What is the locus of all points that are exactly $5$ cm from a fixed point $O$ ?
What is the area of a sector of radius $6$ cm with an angle of $90^\circ$ , in terms of $\pi$ ?