Pie chart proportionmediumFree question
Pie chart proportion: 90° slice of 209
A pie-chart slice has an angle of 90°. The whole chart represents 209. What value does the slice represent?
Show worked solution
A slice's share = its angle ÷ 360 (or its percentage of the whole); multiply by the total for the value. The correct answer is 52. Traps to avoid: 188 comes from the "used 100 not 360" error; 2 comes from the "divided by angle" error; 157 comes from the "the rest" error; 90 comes from the "gave the angle" error.
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