A composite shape is made up of a square and a right angled triangle. It has measurements as shown.
Calculate the perimeter of the shape.
\[41.7 m\]
\[31.6 m\]
\[10.1 m\]
A dog’s toy is in the shape of a tetrahedron. Each face of the toy is an equilateral triangle of side \(14cm\).
Calculate the area of one of these faces (giving your answer to the nearest square centimetre).
\[110 cm^{2}\]
\[85 cm^{2}\]
\[94 cm^{2}\]
Calculate the length of side \(x\)
\[8.60 cm\]
\[9.22 cm\]
\[10.49 cm\]
A garden has two rectangular sections as shown. These have the same measurements.
Calculate the length of \(y\).
\[12.7 m\]
\[12.0 m\]
\[9.9m\]