Answer:
n=6
Step-by-step explanation:
Answer:
17x^2+31x+3
Step-by-step explanation:
The answer and equation is 17 - 19 = -2
Answer:
A = 119 units²
Step-by-step explanation:
side of square is (12√2)sin45 = 12
The portion of the diagonal that is NOT octagon is
12√2 - 12
There are four corner triangles. The sum of their areas is
(12√2 - 12)²
Area of the octagon is area of the square minus four corner triangle areas.
A = 12² - (12√2 - 12)²
A = 119.2935...
Answer:

Step-by-step explanation:
The blue line represent the full line length.
We can add the parted black segments together and set it equal to the line.




