Mathematics 0580 · IGCSE · Compound shapes and parts of shapes

Compound shapes and parts of shapes — practice question

The figure is built from triangle $JKL$ and a semicircle whose diameter is $JL$. Triangle $JKL$ is an isosceles right-angled triangle with $JK = JL = 12.8$ cm.
(a)[3]

Calculate the area of the shape.

(b)[4]

Calculate the perimeter of the shape.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\frac{1}{2} \times 12.8 \times 12.8$” …

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