Question

Workers in an office of 40 staff were asked their favourite type of take-away. the results are summarised in the table.

Answer 1

27°, 99°,81°, 18°, 135°

Circle is of degree = 360°

Number of staff in office = 40

1 part = 360°/40 = 9°

then,

a = 3*9° = 27°

b = 11*9° =99°

c = 9*9° =81°

d =2*9° =18°

e = 15*9° =135°

Hence, 27°, 99°,81°, 18°, 135°.

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