waecmaths question:
The population of students in a schools is 810. If this is represented on a pie chart. Calculate the sectoral angle for a class of 72 students.
Option A:
32o
Option B:
45o
Option C:
60o
Option D:
75o
waecmaths solution:
$\frac{{{72}^{\circ }}}{{{360}^{\circ }}}\times {{360}^{\circ }}={{32}^{\circ }}$
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