SCS 20-21 Math GR6 CFA2 Robinson, Aniya 10121 1 2. For homework, Tina is asked to write down the opposite value for each number
1 answer:
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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...
