Chart
Sum
For the data given above in question number 7, draw a suitable pie-graph.
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Solution
∵ 60 + 45 + 42 + 48 + 75 = 270
∴ Central angle for Hindi = `60/270 xx 360^circ = 80^circ`
Central angle for English = `45/270 xx 360^circ = 60^circ`
Central angle for Maths = `42/270 xx 360^circ = 45^circ`
Central angle for Science = `48/270 xx 360^circ = 64^circ`
and Central angle for Social study = `75/270 xx 360^circ = 100^circ`
Concept: Graphical Representation of Data
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