A regular polygon has 150º as the size of each interior angle. How many sides does it have?
a
12
b
10
c
9
d
8
Explanation
Correct Option
aVideo Explanation
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mynameisesther
2 years ago
Or you can say
exterior angle=360/n
remember
Exterior angle=180-interior Angle
=180-150= 30
using the first formula since we now have our exterior angle
exterior angle=360/n
make n subject of the formula
n=360/exterior angle
n=360/30
n =12


