6.1 Angle at the Circumference and Central Angle Subtended by an Arc

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The table shows the marks distribution of participants in a competition.

The number of participants who scored 1 mark is \(\dfrac {1}{4}\) of the total number of participants who scored at most \(1\) mark.

\(\\ \begin {array} {|c|c|} \hline \text{Mark} & 0 & 1 & 2 &3 &4 \\\hline \text{Frequency} & 6 & x & 8 & 9 &5 \\\hline \end{array}\)

If a pie chart is drawn to represent the data in the table, calculate the angle that represents the number of participants who scored \(3\) marks.

Difficulty Level: Hard

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What is the relationship between the angle in the diagram?

Difficulty Level: Easy

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What is the relationship between the angle in the diagram?

Difficulty Level: Medium

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Find the value of \(x\) in each of the following circle.

Difficulty Level: Easy

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Find the value of \(x\) in the following circle.

Difficulty Level: Easy