The sketch depicts the top view of a table. The shape has right angles marked on it. The upper horizontal side measures $1.2\text{ m}$. The left vertical side drops $0.4\text{ m}$. The right vertical side drops $0.9\text{ m}$. The lower horizontal side measures $0.7\text{ m}$. Diagram not drawn to scale.
(a)[1]
Calculate the total perimeter.
(b)[2]
Calculate the total area.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The perimeter is $4.2$.” …