Loci and Construction

Three radio towers $A$ , $B\,$ and $C\,$ are shown on a scale drawing. 1 cm represents $metres50\text{ metres}$ .

$A$ $×\times$

$×B\times B$

$\times C\,$

A signal $S\,$ is $metres150\text{ metres}$ from tower $A$ . The signal $S\,$ is equidistant from tower $B\,$ and tower $C$ .

On the scale drawing, mark the possible positions of the signal $S$ .

[3]

Three radio towers $A$ , $B\,$ and $C\,$ are shown on a scale drawing. 1 cm represents $metres50\text{ metres}$ .

$A$ $×\times$

$×B\times B$

$\times C\,$

A signal $S\,$ is $metres150\text{ metres}$ from tower $A$ . The signal $S\,$ is equidistant from tower $B\,$ and tower $C$ .

On the scale drawing, mark the possible positions of the signal $S$ .

[3]

Loci and Construction Questions