O-LevelMathematicsStatistics4024/11 · May/June 2010 · Q32 Marks
Sara carries out a survey of the colours of cars in a car park. She draws a pie chart to represent her results.
- (a)There are 7 red cars. The angle representing the red cars is 40°. Calculate the total number of cars in the car park.[1]
- (b)Sara's pie chart is a circle with circumference 28 cm. Find, in terms of π, the diameter of the circle.[1]
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