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Question 1 of 4
1. Question
2 point(s)
The diagram above shows \(ABC\), a sector of a circle with centre \(A\) and radius \(7cm\).
Given that the size of \(\angle BAC\) is exactly \(0.8\) radius find
(a) The length of arc \(BC\).
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The length of arc \(BC=\) \(cm\)
CorrectIncorrect -
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Question 2 of 4
2. Question
2 point(s)(b) The area of sector \(ABC\).
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The area of sector \(ABC=\) \(cm^2 \)
CorrectIncorrect -
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Question 3 of 4
3. Question
4 point(s)The point \(D\) is the midpoint of \(AC\). The region \(R\), shown shaded in the diagram above , is bounded by \(CD, DB\) and the \(BC\).
Find
(c) the perimeter of \(R\), giving your answer to \(3\) significant figures.
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perimeter of \(R=\) \(cm\)
CorrectIncorrect -
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Question 4 of 4
4. Question
4 point(s)(d) the area of \(R\), giving your answer to \(3\) significant figures.
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area of \(R=\) \(cm^2 \)
CorrectIncorrect -
