Here is a right-angled triangular tile.
3 cm
4 cm
Diagrams not drawn to scale
A hollow shape is made using four of these
triangular tiles and four square tiles.
Work out the perimeter of the hollow shape.

Here is a rightangled triangular tile 3 cm 4 cm Diagrams not drawn to scale A hollow shape is made using four of these triangular tiles and four square tiles Wo class=