@mistahjfitness's answer to glcwyskin's Secondary 1 Maths Singapore question.
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Let N be the number or sides.
Sum of interior angles
=(N-2) x180
Sum of interior angles
=(N-2) x180
Date Posted:
4 years ago
A) heptaton (7 sides): 5 x 180°
B)nonagon (9sides): 7 x180°
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Anytime:)
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