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Mathematics Higher Level Robert Joinson

Mathematics Higher Level Robert Joinson

Mathematics Higher Level Robert Joinson

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©Sumbooks2002<strong>Higher</strong> <strong>Level</strong>65. Pie charts1. The diagram shows the way in which a smallcompany spends its money.During a year it spends £50,000.By measuring the angles on the diagram,calculate the approximate amount of moneyspent in each area.OthercostsAdvertisingGeneraladministrationBusinessstockPremisescostsEmployeecosts2. An Italian restaurant sells 6 different types of pizzas.During one week the manager keepsrecords of the pizzas sold.The table shows the results.From the table draw a pie chart to show the data,clearly indicating how the angles are calculated.Type of pizza Number soldMargherita 256Seafood 97Hot and spicy 83Vegetarian 132Chef’s special 185Hawaiian 473. Jake asked a number of people how they intended tovote in the forthcoming election, for the Left, Right,Centre or Reform Party.He began to draw a pie chart for the data. The angle hehas drawn on this pie chart represents the 210 peoplewho voted for the Centre Party.a) Measure the angle and calculate how many peoplewere interviewed altogether.b) If 392 people voted for the Right Party, what angle would be used to show this?c) If 100° was used to represent the Left Party, show this information on a pie chart, andcomplete the pie chart.d) How many people intended to vote for the Reform Party?

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