Answer:
- 12
Step-by-step explanation:
2x14= 28
28-9=19
19-17=2
2- -14= - 12
The polygon in option 3 is not octagon at all, it is heptagon (or 7-sided polygon).
A convex octagon has no angles pointing inwards. More precisely, no internal angles can be more than 180°.
When some internal angle is greater than 180°, it is concave.
In option 2 you can see that one angle is pointing inward, then this octagon is concave.
Answer: correct choice is B.
I got 67 but I can guarantee it’s right
2: 14+15d+9c
3: a.
ignore this I need 20 characters.:)))
