15 What is the ratio of the areas of the major sector in diagram A to the minor sector in a diagram
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Area of minor section=πr^2(150)/360
=5/12πr^2
Area of major section=πr^2(210)/360
=7/12πr^2
Ratio=(7/12πr^2)/(5/12πr^2)
=7:5
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12
Answer:7:2
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