a regular polygon has 8 sides. what is the sum of angles of that polygon?, what is the measure of each polygon
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n=8
Each interior angle of an octagon
=(
n
2n−4
)×90
∘
=(
8
2×8−4
)×90
∘
=
8
12
×90
∘
=3×45
∘
=135
o
Each interior angle of an octagon
=(
n
2n−4
)×90
∘
=(
8
2×8−4
)×90
∘
=
8
12
×90
∘
=3×45
∘
=135
o
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