tmua.me Medium Set C Paper 1 · Question 4

tmua.me papers

tmua.me Medium Set C Paper 1 · Q4

Paper 1Geometry

A circular sector with centre $O$ has area $24\pi\,\mathrm{cm}^2$ . The length of its curved arc from $A$ to $B$ is $8\pi\,\mathrm{cm}$ .

What is the length of the straight line segment $AB$ ?

3\,\mathrm{cm}

3\sqrt3\,\mathrm{cm}

6\,\mathrm{cm}

6\sqrt2\,\mathrm{cm}

6\sqrt3\,\mathrm{cm}

12\,\mathrm{cm}

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