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Question 1 of 4
1. Question
2 point(s)
In the figure above \(OAB\) is a sector of a circle radius \(5m\). The chord \(AB\) is \(6m\) long,
(a) Show that \(\angle AOB=\frac{7}{5}\). Were you able to show this?
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Question 2 of 4
2. Question
1 point(s)(b) Hence find the \( \angle AOB\) in radians, giving your answer to \(3\) decimal places.
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radians
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Question 3 of 4
3. Question
2 point(s)(c) Calculate the area of the sector \(OAB\).
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\( m^2 \)
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Question 4 of 4
4. Question
3 point(s)(d) Hence calculated the shaded area, to 4 dp.
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\( m^2 \)
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