Aregular octagon has a side length of 27 m. find the area if the apothem is 32.6 m.

a. 440.1 m
b. 880.2 m
c. 3,520.8 m
d. 7,063.2m

C. 3,520.8 m

n = no of sides
s = length of side
r = apothem

A = 1/2 (n*s*r)
A = 1/2 (8)(27)(32.6)
A = 3,520.8 m

Competition. interaction among organisms that compete for the same natural resource (food, shelter, water, space) in an ecosystem. predation. an interaction in which one organism kills another for food. predator. prey. symbiosis. mutualisum. commensalisum. parasitisum.

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