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What is the perimeter and area of ​​a piece of land in the shape of a regular octagon with a side of 2 km, and an apothem of 2.4 km?

a) 16km and 21.9 km²
b) 16km and 19.2 km²
c) 16km and 29.1 km²
d) 61km and 19.2 km²
e) 16km and 12.9 km²

User Denica
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Answer:

the answer is b because 16km is resolved by 19.2

User Lystra
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