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secondary 4 | E Maths

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Question 16 c

This ACCURATE pie chart ... ... ...

it means u hv to use a protractor to measure the angle of the sector for age 21 to 30.

it is incorrect to calculate the angle to be 79.2 deg from [44/200 x 360 deg].

to solve,

u need to use a protractor to measure the angle of the sector for age 41 to 60

&

calculate the no. of adults for for age 41 to 60

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