Answer 24a + 6
Step-by-step explanation:
8 + 18a -2 + 6a
18a + 6a = 24a
8 - 2 = 6
24a + 6
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.
Answer:
ok?
Step-by-step explanation:
