Q5 of 47 Page 77

A metal alloy contains the following metals. Represent the data by a pie chart.

GIVEN:


FORMULA UASED:


Angle of sector in pie chart = ×360°


Total students = 60 + 100 + 80 + 150 + 60


= 450


Angle of sector for Gold = ×360° = 48°


Angle of sector for Lead = ×360° = 80°


Angle of sector for Silver = ×360° = 64°


Angle of sector for Copper = ×360° = 120°


Angle of sector for Zinc = ×360° = 48°



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