Please do Q5 (b) step by step I will mark as brainliest ☺
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30
Step-by-step explanation:
The sum of the measures of the interior angles of a polygon with n sides is (n – 2)180.
- For an interior angle of 168° - let the no. of sides be n.
- Now 168 × n = (n - 2) 180
- 168n = 180n - 360
- 180n - 168n = 360
- 12n = 360
- n= 360/12
- n= 30
Therefore the regular polygon with interior angle of 168° has 30 sides
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