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OpenStudy (anonymous):
Eric’s grandmother makes star patterns with rhombuses that have an angle of 40o at the centre. How many points will her star have?
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OpenStudy (unklerhaukus):
a complete circle is 360° the angle at the centre made by each rhombus is 40° therefore the number of rhombuses is 360°/40° = 9 looks like this |dw:1321933565448:dw|
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