In a class of 120 students, 18 of them scored an A grade in mathematics. If the section representing the A grade students on a pie chart has angle Zo at the centre of the circle, what is Z?
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Correct Answer: Option E
Explanation:
Total students = 120
grade = 18
Zo = \(\frac{18}{120}\) x \(\frac{360}{1}\)
= 54o
Total students = 120
grade = 18
Zo = \(\frac{18}{120}\) x \(\frac{360}{1}\)
= 54o