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secondary 4 | E Maths
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Nicole She
Nicole She

secondary 4 chevron_right E Maths chevron_right Singapore

Pls help me with this question. Thx

Date Posted: 11 months ago
Views: 98

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Brenda's answer
37 answers (Tutor Details)
Recall formula to find each interior angle (refer to first line), n represent number of sides.

1l Apply formula for polygon A and B.
2) Use angles at a point to solve for interior angle of C.
3) Apply formula again to find n of polygon C.