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secondary 3 | E Maths
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Piranha
Piranha

secondary 3 chevron_right E Maths chevron_right Singapore

Need help with part d

Date Posted: 3 years ago
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LIM JI HWEE
Lim Ji Hwee's answer
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Alternatively, you can use proportion of the pie with respect to the whole circle to calculate. Length of arc = (198/360) * 2pi * r. Where formula of circumference is 2pi*r. You’ll get back the same answer!