(i)[2]
Calculate the area of parallelogram $ABCD$.
(ii)[2]
Calculate the area of the complete figure $ABQCDP$.
(iii)[2]
Calculate the perimeter of the complete figure $ABQCDP$.
Mathematics 9709 · AS & A Level · Coordinate geometry
Coordinate geometry — practice question
In the diagram, $ABCD$ forms a parallelogram, with $AB = BD = DC = 10\,\text{cm}$ and $\angle ABD = 0.8$ radians. The arcs $APD$ and $BQC$ are sections of circles centred at $B$ and $D$ respectively.
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Apply the sine rule or cosine rule correctly to the triangle so that $10^2\sin0.8$ is obtained.” …
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