Answer:
AB = 3.3 cm
Step-by-step explanation:
The formula to find out area of a regular octagon is given by

where a is the length of each side of the regular octagon.
Plugin A=54 into the formula

Divide both sides by 2


Plugin √2 as 1.41


Divide both sides by 2.41


Taking square root on both sides

a = 3.346
a = 3.3 cm (rounded to nearest tenth)
so, length of side AB = 3.3 cm
Answer:
The graph that matches is D.
The answer to your question
is 80%
Answer:
0 < x < 3
Step-by-step explanation:
3 < x + 3 < 6
Subtract 3 from all sides
3-3 < x + 3-3 < 6-3
0 < x < 3