Find the area and the perimeter of the figure below. The unit of length is centimetres.

The shape of a product logo is shown below. The unit of length is millimetre. Find the area and the perimeter of the shape.

Find the area of the triangle (in ${\mathrm{cm}}^2$).

Find the area of the triangle (in ${\mathrm{m}}^2$).

Find the area of the triangle (in ${\mathrm{m}}^2$).

Find the area of the triangle (in ${\mathrm{cm}}^2$).

Find the area of the triangle (in ${\mathrm{cm}}^2$).

Triangle $\mathrm{PQR}$ has an area of $16 {\mathrm{cm}}^2$ and a height of $8 \mathrm{cm}$. What is the length of $\mathrm{QR}$ (in $\mathrm{cm}$)?

The figure is made up of two identical triangles. Find the area and the perimeter of the figure.